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JEE Main Chemistry question

ChemistryThermodynamicsJEE Main

How much heat (in kJ) is evolved when 2.7 g of aluminium reacts with a stoichiometric amount of ? 2Al+Fe_2O_3 \rightarrow 2Fe+Al_2O_3;

Answer: (C)

Solution

2 mol (54 g) of Al releases 852 kJ, so 2.7 g of Al releases

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Question ID VK-134915