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In which of the following reactions, the...

In which of the following reactions, the formation of product is favoured by decrease in temperature ?
(1)`N_(2)(g)+O_(2)(g)hArr2NO(g), DeltaH^(@)=181`
(2)`2CO_(2)(g)hArr2CO(g)+O_(2)(g), DeltaH^(@)=566`
(3)`H_(2)(g)+I_(2)hArr2HI(g), DeltaH^(@)=-9.4`
(4)`H_(2)(g)+F_(2)(g)hArr2HF(g),DeltaH^(@)=-541`

A

A)`1,2`

B

B) 2 only

C

C)1,2,3

D

D) 3,4

Text Solution

Verified by Experts

The correct Answer is:
d
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