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Q.

Which of the following is not true ?

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a

Ordinary water is electrolysed more rapidly than D2O

b

Reaction between H2 and Cl2 is much faster than D2 and Cl2

c

D2O freezes at lower temperature than H2O

d

Bond dissociation energy for D2 is greater than H2

answer is C.

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Detailed Solution

D2O actually has higher freezing point 3.80C than water H2O  00C.
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