The reactivities of C6H5CH3(I),C6H5CH2Cl(II),C6H5CHCl2(III) and C6H5CCl3(IV) towards nitration are in the order :
A
I > I I > III > IV
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B
II > I > III > IV
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C
IV > III > II > I
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D
III > I > II > IV
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Solution
The correct option is A I > I I > III > IV -Cl is deactivating group and as no. of Cl increases it become more and more deactivating.So order is I > II > III > IV