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The bond dissociation energy of C-H in C...

The bond dissociation energy of C-H in `CH_(4)` from the equation
`C(g)+4H(g)toCH_(4)(g)," "DeltaH=-397.8kcal`
is:

A

`+ 397.8 kJ `

B

`+ 198.9 kJ `

C

`+ 99.45 kJ `

D

`- 99.45 kJ`

Text Solution

Verified by Experts

The correct Answer is:
D
`Delta H_(C-H) = (-397.8)/(4) =- 99.45 kJ`
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