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Solution


Q.

Consider the following sequence of reactions.

Assuming that the reaction proceeds to completion, then 137 mg of 4-nitrotoluene will produce ______ mg of B.

(Given molar mass in g mol-1: H : 1, C : 12, N : 14, O : 16, Br : 80)            [2026]
1 301  
2 146  
3 208  
4 228  

Ans.

(4)

Mole=137×10-3137=0.001 mole

Mole of product=0.001 mole

Mass of product=0.001×228 gm

=0.228 gm=228 mg