JEE Main & Advanced
Sample Paper
JEE Main - Mock Test - 28
question_answer
The electronegativity of carbon if \[{{E}_{H-H}}=104.2\text{kcal}\,\text{mo}{{\text{l}}^{-1}}\],\[{{E}_{C-C}}=83.1\,\text{kcal}\,\text{mo}{{\text{l}}^{-1}}\]\[{{E}_{C-H}}=98.8\,\text{kcal}\,\text{mo}{{\text{l}}^{-1}},{{\chi }_{H}}=2.1\]is__________.