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

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

1. Xcl2 is the choride of a metal X. state the formula of the sulphate & the hydroxide of the metal X
2.an element X is trivalent. write the balance equation for the combustion of X in oxgen
 
24th August 2016, 12:14 PM
1.   Which type of reactions are the following:-          (i)PbO2+SO2->PbSO4
                                                                                          (ii)AgNO3+NaCl->AgCl+NaNO3
                                                                                          (iii)2KClO3->2KCl+3O2
                                                                                          (iv)2H2O2->2H2o+O2
                                                                                          (v)KNO3+H2SO4->HNO3+KHSO4
                                                                                          (vi)CuO+H2->Cu+H2O
                                                                                          (vii)CaCO3->CaO+CO2
                                                                                          (viii)NH4Cl->NH3+HCl
 
 
2.    State,giving reasons,whether the substances underlined have been oxidised or reduced
 
 
(a)PbO+CO->Pb+CO2
(b)H2S+Cl2->2HCl+S
11th September 2016, 10:00 PM
1.   Which type of reactions are the following:-          (i)PbO2+SO2->PbSO4
                                                                                          (ii)AgNO3+NaCl->AgCl+NaNO3
                                                                                          (iii)2KClO3->2KCl+3O2
                                                                                          (iv)2H2O2->2H2o+O2
                                                                                          (v)KNO3+H2SO4->HNO3+KHSO4
                                                                                          (vi)CuO+H2->Cu+H2O
                                                                                          (vii)CaCO3->CaO+CO2
                                                                                          (viii)NH4Cl->NH3+HCl
 
 
2.    State,giving reasons,whether the substances underlined have been oxidised or reduced
 
 
(a)PbO+CO->Pb+CO2
(b)H2S+Cl2->2HCl+S
11th September 2016, 9:59 PM
Why air and tap water considered as mixtures?
 
24th September 2016, 12:26 AM
An electrovalent compound formed frm an element in period 3 and hydrogen
8th December 2016, 12:29 PM
RELATED STUDY RESOURCES :
ICSE Class-9 QUESTION ANSWERS

Chat with us on WhatsApp