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JEE Advance 2010
Paper-2
Question
Among the following, the number of elements showing only one non-zero oxidation state is $\mathrm{O}, \mathrm{Cl}, \mathrm{F}, \mathrm{N}, \mathrm{P}, \mathrm{Sn}, \mathrm{Tl}, \mathrm{Na}, \mathrm{Ti}$
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Solution
Na, F show only one non-zero oxidation state.
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