1.

Given : C_(2)H_(6)(g) rarr 2C(g) + 6H(g) : Delta H = 712 kcal The C - C bond energy is 112 kcal, what is the C - H bond energy ?

Answer»

88 kcal
12 kcal
50 kcal
100 kcal

Solution :Bonds energy of 6 C-H bonds
= 712 - 112 = 600 kcal
BOND energy of one C-H bond = 100 kcal


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