Question

Bond length of C - C in ethane (I) Ethene (II) Ethyne (III) and Benzene (IV) follows the order

• A. I > II > III > IV
• B. I > II > IV > III
• C. I > IV > II > III
• D. III > IV > II > I

Answer 1

The correct option is C

I > IV > II > III

Ethane = 1.54 $A^0$, Ethene = 1.33 $A^0$, Ethyne = 1.21 $A^0$, Benzene = 1.39 $A^0$