MHT CET Chemistry question

Chemistry Thermodynamics MHT CET

The heat evolved in the following reaction , kJ to produce 9 g of water is

(A)484 kJ
(B) JCorrect
(C)242 kJ
(D)968 kJ

Answer: (B)

Solution

484 kJ is evolved for 2 mol (36 g) of water, so for 9 g (0.5 mol) the heat is 484 9/36 = 121 kJ

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Question ID VK-064293