Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Which one of the following statements is incorrect?
A
Atomic hydrogen is produced when 
molecules at a high temperature are irradiated with UV radiation.
molecules at a high temperature are irradiated with UV radiation.
B
At around 
, the dissociation of dihydrogen into its atoms is nearly 
.
, the dissociation of dihydrogen into its atoms is nearly .
C
Bond dissociation enthalpy of 
is highest among diatomic gaseous molecules which contain a single bond .
is highest among diatomic gaseous molecules which contain a single bond .
D
Dihydrogen is produced on reacting zinc with 
as well as 
.
as well as .
Text Solution
Verified by ExpertsThe correct answer is:
B
Atomic hydrogen is produced at high temperature in an electric are or under ultraviolet radiations the dissociation of dihydrogen at 
is only 
bond dissociation enthalpy is highest for a single bond for any diatomic molecule. Dihydrogen can be produced on reacting 
with dil. 
as well as 
(aq.)
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