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Question

Number of Cr−O bonds in dichromate ion(Cr2O2−7) is:


A
6
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B
7
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C
8
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D
4
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Solution

The correct option is C 8
From structure, it is clear that it has 8 CrO bond, out of which 6 CrO bonds are equal.
127680_21599_ans_c3130ca2923d46cd87cb5349a02fdbae.png

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