Question

4. Given the bond energy for the following bonds:

Br-Br (193 kj/mol)
C=C (614 kj/mol)
C-H (413 kj/mol)
C-Br (276 kj/mol)
C-C (347 kj/mol)

a) What type of reaction is occurring above?
b) Calculate the enthalpy change for the following reaction:
C2H4 + Br2 → BrCH2CH2Br
c) Deduce whether the reaction is exothermic or endothermic. Give reasons for your answer.

Answer 1

question:- -------- हीनं वेदा: अपि न पुनन्ति

Answer 2

Answer:

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