Consider the following three compounds (i) AX2n^n-, (ii) AX3n and (iii) AX4n^n+, where central atom A is 15th group element and their maximum covalency is 3n. If total number of proton in surrounding

Question

Consider the following three compounds (i) AX2n^n-, (ii) AX3n and (iii) AX4n^n+, where central atom A is 15th group element and their maximum covalency is 3n. If total number of proton in surrounding atom X is n and value of n is one, then calculate value of "x^3 + y^2 + z^n". (Where x, y and z are total number of lone pair at central atom in compound (i), (ii) and (iii) respectively).

Prashant Kotian · Accepted Answer

Correct answer: 9

**SOLUTION:** IF N = 1, THEN X = H; A = N (15TH GROUP). COMPOUNDS ARE (I) NH2^- (II) NH3 (III) NH4^+.
LONE PAIRS: X = 2, Y = 1, Z = 0.
X^3 + Y^2 + Z^N = (2)^3 + (1)^2 + (0)^1 = 8 + 1 + 0 = 9.

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