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Elements of group 14 (a) exhibit oxidation state of +4 (b) exhibit oxidation state of +2 and +4 (c) form M^2- and M^4+ ions (d) form M^2+ and M^4+ ions

11.37.    Elements of group 14
                (a) exhibit oxidation state of +4 only

                (b) exhibit oxidation state of +2 and +4

                (c)  form  M^{2-}  and  M^{4+}  ions

                (d) form M^{2+}  and  M^{4+}  ions

Answers (1)
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M manish

Elements of group 14 have 4 valance electrons. so the oxidation state of the group is +4 and +2. Due to the inert pair effect, the stability of +2 is more on moving down the group.
So, the correct option is B

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