MCQ
Linear structure is assumed by :
$(I) \,NCO^-$             $(II)\, CS_2$          $(III)\, \overset{+}{\mathop{N}}{{O}_{2}}$       $(IV)$ Solid $BeH_2$
  • A
    all four
  • B
    $(II), (III)$ and $(IV)$
  • $(I), (II)$ and $(III)$
  • D
    $(II)$ and $(III)$

Answer

Correct option: C.
$(I), (II)$ and $(III)$
c
$NCO ^{-} ; CS _2 ; NO _2^{+}$ having sp hybridization so they are linear structure while $BeH _2$ in solid-state form an chain like stucture havig $sp^3$ hybridisation

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