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Q.

Formula of chromic acid is H2CrO4 . Formula of divalent metal chromate is

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a

MCrO4

b

M2CrO4

c

M3CrO4

d

M2(CrO4)3

answer is A.

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Detailed Solution

Both metal and chromate are divalent.

M2(CrO4)→2M++CrO4-2 

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