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The heat of atomisation of PH3(g) is 228...

The heat of atomisation of `PH_3(g)` is `228 kcal mol^-1` and that of `P_2H_4(g)` is `355 kcal mol^-1` '. The energy of P-P bond is

A

62 kcal

B

51 kcal

C

52 kcal

D

53 kcal

Text Solution

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The correct Answer is:
B
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