1.

The C-C bond length of the following molecules is in the order

Answer»

`C_(2) H_(6) gt C_(2)H_(4) gt C_(6) H_(6) gt C_(2) H_(2)`
`C_(2) H_(2) lt C_(2) H_(4) lt C_(6) H_(6) lt C_(2) H_(6)`
`C_(2) H_(6) gt C_(2)H_(2) gt C_(6)H_(6) gt C_(2)H_(4)`
`C_(2) H_(4) gt C_(2) H_(6) gt C_(2) H_(2) gt C_(6) H_(6)`

Solution : C-C bond length increases in the ORDER:
`C_(2) H_(2) lt C_(2) H_(4) lt C_(6) H_(6) lt C_(2) H_(6)`


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