Question

heat of atomization of ccl4 and ch4 are 80 and 160.what is heat of atomisation of ccl3

Answer 1

WE need to take 2 atomization of C+  

4 atomization of H+

4 bond energy pf C-H

1 heat formation of C2H4

2 x 171 + 4 x 52.1 - 4 x 99.3 - K = 12.5

k= 140.7 Kcal