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Question

The oxidation number of C in CH2O is :

A
2
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B
+2
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C
0
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D
+4
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Solution

The correct option is D 0
Let x be the oxidation state of C in CH2O.
Since, the overall charge on the complex is 0, the sum of oxidation states of all elements in it should be equal to 0.
Therefore,
x+22=0
or, x=0.
Hence, the oxidation state of C in CH2O is 0.

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