Please wait...
1800-212-7858 (Toll Free)
9:00am - 8:00pm IST all days
8104911739
For Business Enquiry

or

Thanks, You will receive a call shortly.
Customer Support

You are very important to us

For any content/service related issues please contact on this toll free number

022-62211530

Mon to Sat - 11 AM to 8 PM

Home / Doubts and Solutions/ICSE/Class 9/Chemistry

what is meant by hydrogenation?

Asked by dakshayaniguntupalli26 27th November 2015, 6:05 PM
Answered by Expert
Answer:

When ethene and hydrogen are passed over finely divided catalyst such as platinum at ordinary temperature , the two atoms of hydrogen molecule are added to the unsaturated molecule, which thus becomes a saturated one.

CH2=CH2   + H2 →   C2H6

Answered by Expert 7th December 2015, 5:56 PM
Rate this answer
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10

You have rated this answer /10

Report an issue
Previous Question
Next Question
Your answer has been posted successfully!

Free related questions

An electrovalent compound formed frm an element in period 3 and hydrogen
8th December 2016, 12:29 PM
What are 'energy levels'?  Explain the arrangement and distribution of electrons in the various shells with reference to an atom in general and t o an atom of potassium '19(atomic number ) and 30(relative atomic mass) of K' with special reference to 2n^2 rule. 
30th December 2016, 4:16 PM
What are 'energy levels'?  Explain the arrangement and distribution of electrons in the various shells with reference to an atom in general and t o an atom of potassium '19(atomic number ) and 30(relative atomic mass) of K' with special reference to 2n^2 rule. 
30th December 2016, 4:18 PM
(i)Iron(III) chloride is acidic while sodium carbonate is basic.Explain
(ii)In the following reaction: A+ + B ----> A+B+.Write half reactions for this reaction and name (i)oxidizing agent(ii)substance oxidized (iii)reducing agent
(iii)State two important processes,which:

(a)release CO2 into the atmosphere

(b)remove CO2 from the atmosphere
4th January 2017, 1:55 PM

1.State the chemicals responsible for ozone layer destruction

2.Name any two

(a)Natural sources of atmospheric pollution

(b)Gases which are responsible for the formation of acid rain

3.Explain the term global warming.State two ways by which global warming can be reduced.

4.State two effects of ozone depletion

5.What is the cause of acid rain?Give any two impacts of acid rain

6.Explain the methods of preventing acid rain

7.State an advantage of CNG(Compressed Natural Gas)

8.State how CFC break ozone layer.

9.Describe the methods of saving ozone layer

4th January 2017, 5:43 PM
RELATED STUDY RESOURCES :
ICSE Class-9 QUESTION ANSWERS

Chat with us on WhatsApp