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
`1,2`
B
2 only
C
1,2,3
D
3,4
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The correct Answer is:
d
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