Q55Assertion & reason
Assertion (A): Combustion of all organic compounds is an exothermic reaction.
Reason (R): The enthalpies of all elements in their standard state are zero. (i) Both A and R are true and R is the correct explanation of A. (ii) Both A and R are true but R is not the correct explanation of A. (iii) A is true but R is false. (iv) A is false but R is true.
- (i)Both A and R are true and R is the correct explanation of A.
- (ii)Both A and R are true but R is not the correct explanation of A.
- (iii)A is true but R is false.
- (iv)A is false but R is true.
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(ii) Both A and R are true but R is not the correct explanation of A.