1.

For the allotropic change represented by the equation C (graphite) toC (diamond), DeltaH = 1.9 kJ. If 6 g of diamond and 6 g of graphite are separately burnt to yield CO_(2), the heat liberated in first case is

Answer»

LESS than in the SECOND CASE by 1.9 KJ
more than in the second case by 11.4 kJ
more than in the second case by 0.95 kJ
less than in the second case by 11.4 kJ

Answer :C


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