Question

What is oxidation number of Cr and N in (NH4)2CrO4
(A) +6, +5
(B) -6, -3
(C) +6, -3
(D) -3, +6

Answer it with solution??
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Answer 1

Answer:

(C)+6 , -3

Explanation:

(NH4)2 CrO4:

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X+1(4) = 1 X+(-2)(4) = -2

•X=(-3) •X= +6

(X=N) (X=Cr)