1.

Statement-1 : NO_(3)^(-) and PO_(3)^(-) have similar formula type but differ structurally, i.e., they have different type of hybridisation. Statement-2 : NO_(3)^(-)ion exists as free ion. On the other hand PO_(3)^(-) exists as cyclic or linear polymeric structure.

Answer»

Statement-1 is TRUE, Statement-2 is True, Statement-2 is a CORRECT EXPLANATION for Statement-1.
Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1.
Statement-1 is True, Statement-2 is FALSE.
Statement-1 is False, Statement-2 is True.

Answer :A


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