Q.

Statement (I) :N2+O2→2NO is a combustion reactionStatement (II) : N2+O2→2NO, ∆H=-ve

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a

Both (I) & (II) are true

b

(I) is true & (II) is false

c

(I) is false & (II) is true

d

Both (I) & (II) are false

answer is D.

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Detailed Solution

Process in which any substance is burnt in excess of oxygen is called combustion.All combustion reactions are exothermicReaction of N2 with O2 is endothermic hence cannot be regarded as combustion reactionThus both the statements are false
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