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  • In an exothermic reaction, heat is evolved, and system loses heat to the surroundings. For such system (i) q_{p} will be negative (ii) \Delta _{y}H will be negative (iii) q_{p} will be positive (iv) \Delta _{y}Hwill be positive.

In an exothermic reaction, heat is evolved, and system loses heat to the surroundings. For such system
(i) q_{p} will be negative                               
(ii) \Delta _{r}H will be negative
(iii) q_{p} will be positive                                
(iv)  \Delta _{r}H will be positive.

Answers (1)

The answer is options (i) and (ii)

Explanation: In an exothermic reaction, the heat is released to the surroundings of the system. So,q_{p}  and  \Delta _{r}H will be negative.

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