1.

Decreasing order of C-C bond length is [JEE Orissa 2004] \[{{C}_{2}}{{H}_{4}}\] \[{{C}_{2}}{{H}_{2}}\] \[{{C}_{6}}{{H}_{6}}\] \[{{C}_{2}}{{H}_{6}}\]

A. IV > III > I > II
B. I > II > IV > III
C. II > I > IV > III
D. IV > I > III > II
Answer» B. I > II > IV > III


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