FRANK Solutions for Class 10 Chemistry Chapter 8 - Study of Compounds-I: Hydrogen Chloride

What is aqua regia? What happens when silver nitrate solution is added to dilute HCl? Discover the answers in our Frank Solutions for ICSE Class 10 Chemistry Chapter 8 Study of Compounds-I: Hydrogen Chloride. Also, learn the steps for preparing hydrochloric acid in a laboratory.

With our ICSE Class 10 Chemistry textbook solutions, learn the properties and uses of hydrochloric acid in detail. Revise more to score more. Now, enjoy anytime access to various TopperLearning resources such as concept videos, online tests and more for thorough Chemistry revision.

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Chapter 8 - Study of Compounds-I: Hydrogen Chloride Exercise 198

Question 1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride

Chapter 8 - Study of Compounds-I: Hydrogen Chloride Exercise 199

Question 2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 4
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 4
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 5
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 5
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 6
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 6
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 7
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 7
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 8
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 8
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride

Chapter 8 - Study of Compounds-I: Hydrogen Chloride Exercise 200

Question 9
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 9
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 10
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 10
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 11
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 11
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 12
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 12
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 13
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 13
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 14
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 14
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 15
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 15
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 16

Choose the correct answer from the options given below :

(i) HCl gas can be prepared by direct combination of hydrogen and chlorine gas in presence of

(a) Direct sunlight

(b) Dark atmosphere

(c) Diffused sunlight

(d) MnO2 catalyst

 

(ii) Dilute hydrochloric acid solution cannot be concentrated by boiling beyond

(a) 11%

(b) 33%

(c) 44%

(d) 22%

 

(iii) Bleaching powder reacts with few drops of concentrated HCl to give

(a) Chlorine

(b) Calcium oxide

(c) Oxygen

(d) None of these

 

(iv) Which of the following statement is not correct?

(a) HCl gas is collected by upward displacement of air

(b) HCl acid gives white precipitate with AgNO3.

(c) HCl gas is collected by downward displacement of air

(d) HCl acid turns phenolphthalein solution colurless

Solution 16

(i) Diffused sunlight

(ii) 22%

(iii) Chlorine

(iv) HCl gas is collected by the downward displacement of air.

Chapter 8 - Study of Compounds-I: Hydrogen Chloride Exercise 201

Question 1991-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 1991-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 1992-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 1992-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 1992-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 1992-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 1992-3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 1992-3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 1994-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 1994-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 1995-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 1995-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 1996-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 1996-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 1997-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 1997-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride

Chapter 8 - Study of Compounds-I: Hydrogen Chloride Exercise 202

Question 1998-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 1998-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 2000-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 2000-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 2000-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 2000-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 2000-3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 2000-3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 2000-4
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 2000-4
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 2001-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 2001-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 2001-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 2001-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 2001-3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 2001-3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 2002-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 2002-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 2002-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 2002-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 2004-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 2004-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 2004-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 2004-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride

Chapter 8 - Study of Compounds-I: Hydrogen Chloride Exercise 203

Question 2004-3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 2004-3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 2005-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 2005-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 2005-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 2005-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 2006-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 2006-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 2007-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 2007-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 2008-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 2008-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 2009-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 2009-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 2009-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Solution 2009-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride
Question 2010-1

Choose the correct answer from the options given below:

Aqua regia is a mixture of :

(a) Dilute hydrochloric acid and concentrated nitric acid

(b) Concentrated hydrochloric acid and dilute nitric acid

(c) Cocentrated hydrochloric acid [1 part] and concentrated nitric acid [ 3 parts]

(d) Concentrated hydrochloric acid [3 parts] and concentrated nitric acid [ 1 part]

Solution 2010-1

Aqua regia is a mixture of concentrated hydrochloric acid [3 parts] and concentrated nitric acid [1 part].

Chapter 8 - Study of Compounds-I: Hydrogen Chloride Exercise 204

Question 2010-2

The diagram shows an apparatus for the laboratory preparation of hydrogen chloride.

(i) Identify A and B

(ii) Write the equation for the reaction

(iii) How would you check whether or not the gas jar is filled with hydrogen chloride?

(iv) What does the method of collection tell you about the density of hydrogen chloride

Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride 

Solution 2010-2

(i) A = conc. H2SO4 B = NaCl

(ii) Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride

(iii) When a rod dipped in ammonium hydroxide is brought near the mouth of the gas jar, dense white fumes of ammonium chloride are produced.

(iv) Hydrogen chloride is denser than air. 

Question 2010-3

By the addition of only one solution how would you distinguish between dilute hydrochloric acid and dilute nitric acid?

Solution 2010-3

Silver nitrate solution will give a white ppt. when added to dil. hydrochloric acid, and no change will be observed when it is added to dil. nitric acid. 

Question 2011-1

Choose the correct answer from the options given below :

(i) Hydrogen chloride gas being highly soluble in water is dried by :

(a) Anhydrous calcium chloride

(b) Phosphorous pentaoxide

(c) Quick time

(d) Concentrated sulphuric acid

Solution 2011-1

Being highly soluble in water, hydrogen chloride gas is dried by conc. sulphuric acid.

Question 2011-2

In the laboratory preparation of hydrochloric acid, HCl gas is dissolved in water.

(i) Draw a diagram to show the arrangement used for the absorption of HCl in water.

(ii) Why is such an arrangement necessary? Give two reasons.

(iii) Write the chemical equation for the laboratory preparation of HCl gas when the reactants are :

(a) Below 200oC

(b) Above 200oC

Solution 2011-2

(i) Diagram to show the arrangement used for the absorption of HCl gas in water:

Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride

 

(ii) Such an arrangement is necessary to prevent back suction of water into the apparatus, and it provides a large surface area for dissolution of hydrogen chloride gas. 

(iii) Balanced chemical equations for the laboratory preparation of HCl gas:

Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride

Question 2013-1

State one appropriate observation for each of the following

(i) Copper sulphate is treated with dilute hydrochloric acid

(ii) A few drops of dilute hydrochloric acid are added to silver nitrate solution, followed by the addition of ammonium hydroxide solution

(iii) Which gas is evolved when potassium sulphite with dilute hydrochloric acid

(iv) Concentrated HCl is made to react with mangese diaoxide

(v) Action of dilute HCl or sodium sulphite

 

Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride

Solution 2013-1

(i) Add silver nitrate solution to both solutions. Sodium chloride will form a curdy white ppt., whereas sodium nitrate will not undergo any reaction.

(ii) Hydrogen chloride gas gives thick white fumes of ammonium chloride when a glass rod dipped in ammonia solution is held near the vapours of the acid, whereas no white fumes are observed in case of hydrogen sulphide gas.

(iii) Ethene gas decolourises the purple colour of KMnO4, whereas ethane does not decolourise KMnO4 solution.

(iv) Calcium nitrate forms no ppt. even with addition of excess of NH4OH, whereas zinc nitrate forms a white gelatinous ppt. which dissolves in excess of NH4OH.

(v) Carbon dioxide gas has no effect on acidified KMnO4 or K2Cr2O7, but sulphur dioxide turns potassium permanganate from pink to colourless. 

Question 2014-1

Study the figure given alongside and answer that questions that follow:

(i) Identify the gas Y.

(ii) What property of gas Y does this experiment demonstrate?

(iii) Name another gas which has the same property and can be demonstrated through this experiment

Solution 2014-1

(i) The gas is HCl (hydrogen chloride) gas.

(ii) Extreme solubility of hydrogen chloride gas is demonstrated by the fountain experiment.

(iii) Ammonia gas is another gas which has the same property which can be demonstrated through this experiment.

Chapter 8 - Study of Compounds-I: Hydrogen Chloride Exercise 205

Question 2015-1

The following questions are pertaining to the laboratory pertaining hydrogen chloride gas.

(i) Write the equation for its preparation mentioning the condition required

(ii) Name the drying agent used and justify your choice

(iii) State a safety precaution you would take during the preparation of hydrochloric acid.

Solution 2015-1

(i) Equation for the laboratory preparation of hydrogen chloride gas:

Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride

Although it is a reversible reaction, it goes to completion as hydrogen chloride continuously escapes as a gas.

The reaction can occur up to the stage of the formation of sodium sulphate on heating above 200°C.

Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride

(ii) The drying agent used in the laboratory preparation of hydrochloric acid is conc. sulphuric acid.

The other drying agents such as phosphorus pentoxide (P2O5) and quick lime (CaO) cannot be used because they react with hydrogen chloride.

2P2O5 + 3HCl POCl3 + 3HPO3

CaO + 2HCl POCl3 + 3HPO3

(iii) A safety precaution which should be taken during the preparation of hydrochloric acid:

Always wear chemical splash goggles, chemical-

resistant gloves and a chemical-resistant apron in the

laboratory during the preparation of hydrochloric

acid. 

Question 2016-1

The aim of the fountain experiment is to prove that

(a) HCl turns blue litmus red

(b) HCl is denser than air

(c) HCl is highly soluble in water

(d) HCl fumes in moist air

Solution 2016-1

(a) HCl turns blue litmus red

Question 2016-2

State your observations when :

(i) Dilute hydrochloric acid is added to lead nitrate solution and the mixture is heated

(ii) Dilute hydrochloric acid is added to sodium thisulphate

(iii) Dilute hydrochloric acid is added to copper carbonate

Solution 2016-2

(i) When dil. HCl is added to lead nitrate solution and heated, it forms a white precipitate of lead chloride.

 Pb(NO3)2 + 2HCl PbCl2 + 2HNO3

 

(ii) Dil. HCl reacts with thiosulphate to produce sulphur dioxide, and yellow sulphur is precipitated.

 Na2S2O3 + 2HCl 2NaCl + H2O + SO2 + S  

 

(iii) When dilute hydrochloric acid is added to copper carbonate, it decomposes to give copper chloride.

 CuCO3 + 2HCl CuCl2 + H2O + CO2 

Question 2017-1

State the observation for action of dilute hydrochloiric acid or iron (II) sulphate.

Solution 2017-1

Dilute hydrochloric acid decomposes iron(II) sulphide to produce iron(II) chloride and hydrogen sulphide having rotten egg smell.

FeS + 2HCl FeCl2 + H2S

Question 2017-2

How will you distinguished between dilute HCl and dilute H2SO4 using lead nitrate solution?

Solution 2017-2

Sulphuric acid precipitates the insoluble sulphate from lead nitrate solution.

Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride

Lead nitrate reacts with hydrochloric acid to give a white ppt. of lead chloride.

Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Compounds I Hydrogen Chloride