1.

Choose correct option by using T (true) or F (false) : (i) In group-15, stability of +3 oxidation state increases down the group. (ii) In group-15, stability of -3 and +5 oxidation state decreases down the group. (iii) Nitrogen element possess +1 to +7 oxidation state when it react with oxygen elements. (iv) Elements of group-15 possess general oxidation state of -3, +3 and +5.

Answer»

FTTF
TTTT
TTFT
FFFF

Answer :C


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