FRANK Solutions for Class 10 Chemistry Chapter 10 - Study of Sulphur Compound: Sulphuric Acid

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Chapter 10 - Study of Sulphur Compound: Sulphuric Acid Exercise 249

Question 1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 4
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 4
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid

Chapter 10 - Study of Sulphur Compound: Sulphuric Acid Exercise 250

Question 5

Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid

Solution 5

Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid

Question 6
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 6
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 7
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 7
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 8
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 8
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 9
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 9
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 10
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 10
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 11
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 11
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid

Chapter 10 - Study of Sulphur Compound: Sulphuric Acid Exercise 251

Question 12

Choose the current answer from the options given below :

(i) In the preparation of H2SO4 by contact process V2O3 is used as a catalyst in the reaction. It is

(a) S + O2 SO2

(b) SO2 + H2SO4 H2S2O7

(c) SO3 + H2O H2SO4

(d) 2SO2 + O2 2SO3

 

(ii) When conc. H2SO4 comes in contact with sugar, it becomes black due to

(a) Hydrolysis

(b) Decolourisation

(c) Dehydration

(d) Hydration

 

(iii) Which of the following gas dissolves in H2SO4 to give alum?

(a) SO2

(b) H2S

(c) S2O

(d) SO3

 

(iv) In the contact process, the impurities of arsenic are removed by

(a) Fe2O3

(b) Fe(OH)3

(c) AlCOH3

(d) Cr(OH)3

 

(v) The catalyst used for the oxidation of SO2 to SO3 in contact process is

(a) Finally divided iron

(b) Molybdenum

(c) Vanadium

(d) Nitric oxide

Solution 12

(i) 2SO2 + O2 2SO3

(ii) Dehydration

(iii) SO3

(iv) Fe(OH)3

(v) Vanadium pentoxide

Question 13

Fill in the blank with appropriate word/words :

(i) The catalyst used in contact process for the manufacture of H2SO4 is platinum or Vanadium pentoxide

(ii) For the reaction SO2 + O2 SO3 + Heat, the favorable conditions are high pressure and low temperature

(iii) Oil of Vitriol is ___________

Solution 13

(i) The catalyst used in contact process for the manufacture of H2SO4 is ___________ or _________.

(ii) For the reaction SO2 + O2 SO3 + Heat, the favourable conditions are _________ and __________.

(iii) Oil of vitriol is sulphuric acid.

Question 1993-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 1993-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 1994-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 1994-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 1994-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 1994-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 1994-3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 1994-3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 1995-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 1995-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 1995-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 1995-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid

Chapter 10 - Study of Sulphur Compound: Sulphuric Acid Exercise 252

Question 1995-3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 1995-3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 1995-4
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 1995-4
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 1995-5
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 1995-5
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 1996-1

Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid

Solution 1996-1

Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid

Question 1998-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 1998-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 1998-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 1998-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 1998-3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 1998-3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 1999-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 1999-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 1999-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 1999-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 2000-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 2000-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 2002-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 2002-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid

Chapter 10 - Study of Sulphur Compound: Sulphuric Acid Exercise 253

Question 2003-1

Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid

Solution 2003-1

Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid

Question 2003-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 2003-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 2003-3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 2003-3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 2004-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 2004-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 2005-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 2005-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 2005-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 2005-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid

Chapter 10 - Study of Sulphur Compound: Sulphuric Acid Exercise 254

Question 2006-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 2006-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 2007-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 2007-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 2007-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 2007-2

(a)         B

(b)         D

(c)         C

(d)        A

(e)        A


Question 2007-3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 2007-3
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 2008-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 2008-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 2008-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 2008-2
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid

Chapter 10 - Study of Sulphur Compound: Sulphuric Acid Exercise 255

Question 2009-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Solution 2009-1
Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid
Question 2010-1

Write the equation for each of the following reactions :

(i) Sulphur is heated with concentrated sulphuric acid

(ii) Concentrated sulphuric acid is poured over sugar

Solution 2010-1

(i) S + H2SO4 3SO2 + 2H2O

(ii) Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid

Question 2010-2

State your observation for the following cases :

(i) Moist blue litmus is introduced into a gas jar of sulphur dioxide

(ii) Dry red rose petals are placed in the jar of sulphur dioxide

(iii) Paper soaked in potassium permanganate solution is introduced into a gas jar of sulphur diaoxide.

Solution 2010-2

(i) Litmus turns blue to red, and then gets bleached.

(ii) Dry SO2 has no effect on dry red rose petals.

(iii) Paper turns from pink to white.

Question 2011-1

What would you observe in the following case :

Sugar crystals are added to hard glass test tube containing concentrated sulphuric acid.

Solution 2011-1

Charring of sugar takes place. Sulphuric acid dehydrates sugar leaving behind carbon which is black.

Question 2011-2

(i) With the help of equations, give an outline for the manufacture of sulphuric acid by the contact process

(ii) What property of sulphuric acid is shown by the reaction of concentrated sulphuric acid when heated with

(i) Potassium nitrate

(ii) carbon

Solution 2011-2

(i) Formation of sulphur dioxide:

S + O2 SO2

Conversion of SO2 to SO3

Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid

Conversion of sulphur trioxide to oleum:

SO3 + H2SO4 H2S2O7

Dilution of oleum:

H2S2O7 + H2O 2H2SO4

 

(ii)  

i. Non-volatile nature

ii. As an oxidising agent

Question 2013-1

In the given equation identify the role played by concentrated sulphuric acid S + 2H2SO4 3SO2 + 2H2O

(a) Non-volatile acid

(b) Oxidising agent

(c) Dehydrating agent

(d) None of the above

Solution 2013-1

(b) Oxidising agent

Question 2013-2

State one appropriate observation for each of the following.

(i) Concentrated sulphuric acid is added dropwise to a crystal of hydrated copper sulphate.

(ii) Dehydration of Concentrated Sulphuric acid with sugar crystals

Solution 2013-2

(i) When conc. H2SO4 is added to a crystal of hydrated copper sulphate, it removes water of crystallisation from salt.

(ii) C12H22O11 + conc. H2SO4 6C + 6H2O

Question 2014-1

Give one equation each to show the following properties of sulphuric acid :

(i) Dehydrating property

(ii) Acidic nature

(iii) As a non-volatile acid

Solution 2014-1

(i) Dehydrating property of sulphuric acid:

H2SO4 has a great affinity for water, and therefore, it acts as a dehydrating agent.

Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid

 

(ii) Acidic nature of sulphuric acid:

It acts as a strong dibasic acid.

Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid

It reacts with metals, metal oxides, metal hydroxides and carbonates to form metallic sulphates and hydrogen at ordinary temperature.

 Mg + H2SO4 MgSO4 + H2 

 CuO + H2SO4 CuSO4 + H2O

 2NaOH + H2SO4 Na2SO4 + 2H2O

 ZnCO3 + H2SO4 ZnSO4 + H2O + CO2 

 

(iii) As a non-volatile acid: 

It has a high boiling point, so it is used to prepare volatile acids such as HCl, HNO3 and acetic acid from their salts.

NaCl + H2SO4 NaHSO4 + HCl

NaNO3 + H2SO4 NaHSO4 + HNO3

CH3COONa + H2SO4 NaHSO4 + CH3COOH

Question 2015-1

(i) Give balanced chemical equations for the action of sulphuric acid on each of the following

1. Potassium hydrogen carbonate

2. Sulphur

 

(ii) In the contact process for the manufacture of sulphuric acid give the equations for the conversion of sulphur trioxide to sulphuric acid.

Solution 2015-1

(i)  

1. Action of sulphuric acid on potassium hydrogen carbonate

2KHCO3 + H2SO4 K2SO4 + 2H2O + 2CO2 

2. Action of sulphuric acid on sulphur

S + 2H2SO4 3SO2 + 2H2O

 

(ii) In the contact process for the manufacture of sulphuric acid, the equations for the conversion of sulphur trioxide to sulphuric acid are

SO3 + H2SO4 H2S2O7

(oleum or pyrosulphuric acid)

H2S2O7 + H2O 2H2SO4

Chapter 10 - Study of Sulphur Compound: Sulphuric Acid Exercise 256

Question 2016-1

A,B,C and D summarise the properties of sulphuric acid depending on whether it is dilute or concentrated.

A = Typical acid property

B = Non-Volatile acid

C = Oxidising agent

D = Dehydrating agent

 

Choose the property (A,B,C or D) depending on which is relevant to each of the following :

(i) Preparation of hydrogen chloride gas

(ii) Preparation of copper sulphate from copper oxide

(iii) Action of cone, sulphuric acid on sulphur

 

Solution 2016-1

(i) B

(ii) A

(iii) C

Question 2017-1

Write balanced chemical equations to show :

(i) The oxidizing action of conc.sulphuric acid on carbon

(ii) The behavior of H2SO4 as an acid when it reacts with magnesium

(iii) The dehydrating property of conc.sulphuric acid

Solution 2017-1

(i) Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid

(ii) Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid

(iii) Frank Solutions Icse Class 10 Chemistry Chapter - Study Of Sulphur Compound Sulphuric Acid