Q11 of 40 Page 1

Give reasons:

C-Cl bond length in chlorobenzene is shorter than C-Cl bond length in

In the case of chlorobenzene, the C-Cl bond length is shorter because the C-Cl bond gets partial double bond character due to the +M effect shown by the Cl group. Due to the double bond nature of the bond, the bond length is less in case of chlorobenzene.


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9

For a reaction:


Rate = k


A. Write the order and molecularity of this reaction.


B. Write the unit of k.

 10

Write the mechanism of the following reaction:

 11

Give reasons:

The dipole moment of chlorobenzene is lower than that of cyclohexyl chloride.

 11

Give reasons:

reactions are accompanied by racemization in optically active alkyl halides.