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In the following question, a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each question.
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.
Answers (1)
The answer is option (ii) Both A and R are true but R is not the correct explanation of A.
Explanation: the reactant enthalpies are always greater than the product enthalpies when it comes to the combustion reaction.
View full answer
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