1.

In the chemical change : aN_(2)H_(4)+bBrO_(3)^(-) rarr aN_(2)+bBr^(-) +6H_(2)O , answer the following questions:The equivalent weight of N,H, in the above reaction is:

Answer»

8
10.6
16
6.4

Solution :`E_(N_2H_4)=("Mol.wt. of "N_2H_4)/("No. of E LOST by 1 MOLECULE")=32/4=8`


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