Question

The energy required to break 76 gm gaseous
fluorine into free gaseous atom is 180 kcal at 25°C.
The bond energy of F - F bond will be
(1) 180 kcal
(2) 90 kcal
(3) 45 kcal
(4) 104 kcal​

Answer 1

Answer:

NSWER

F

2

→2F

76 gram F

2

needs 180 Kcal energy

38 gram F

2

needs enesrgy =180×38/76=90 kca

Explanation:

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