The ionic charges on chromate ion and dichromate ion respectively is

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The ionic charges on chromate ion and dichromate ion respectively is

Chemistryd and f Block ElementsMHT CETMHT CET 2019 (02 May Shift 1)

Options:

A $- 2, - 2$
B $- 3, - 2$
C $- 2, - 4$
D $- 4, - 2$

Solution:

1038 Upvotes Verified Answer

The correct answer is:

- 2, - 2

Chromate and dichromate ions are

C r O_{4}^{2 -}

and

C r O_{7}^{2 -}

respectively.

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