NEET Chemistry The p-Block Elements (XII) Questions Solved

A non-metal M forms MCl3, M2O5 and Mg3M2 but does not form MI5. Then incorrect statement regarding non-metal M is:

(a) M can form multiple bond

(b) M is of second period element 

(c) Atomicity of non-metal is 4

(d) The range of oxidation number for M is +5 to -3

(c)    M exhibits two oxidation states +3 and +5 but covalency can not be 5;

        hence M can not expand its valence shell. Therefore, M will be nitrogen 

        having atomicity two.  


Difficulty Level:

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