A mole of N2H4 loses 10 mol of electrons to form a new compound γ Assuming that all the nitrogen appears in the new compound, what is the oxidation state of nitrogen in γ (There is no change in the oxidation number of hydrogen.)
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a
-1
b
-3
c
+3
d
+5
answer is C.
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Detailed Solution
N2H4⟶2y+10e− 2x =-4 in hydrazine it looses 10 moles of electrons i.e from -4 to +6 therefore two nitrogens in product will have charge +6 hence each nitrogen will be +3