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Q.

The elements of group-16, which show negative oxidation state are
I. Oxygen
II. Polonium
III. Tellurium
IV. Selenium
Choose the correct option.

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a

I, II, III and IV

b

I, III and IV

c

I, II and III

d

II, III and IV

answer is C.

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Detailed Solution

Except polonium, all the other three, i.e. O,Te, Se, show negative oxidation state.

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