$(P)\, Fe(CO)_5\,\,\, (Q)\,CO\,\,\, (R)\, H_3B \leftarrow CO\,\,\,(S)\, [Mn(CO)_5]^-$
Correct sequence of \(CO\) bond order:
\(\underset{(CO\,bond\,order\,>\,3.0)}{\mathop{{{H}_{3}}B\leftarrow CO}}\,>\underset{B.O.=3.0}{\mathop{CO}}\,>\underset{CO\,bond\,order\,<3.0}{\mathop{Fe{{(CO)}_{5}}}}\,>\underset{(CO\,bond\,order\,<3.0)}{\mathop{{{[Mn{{(CO)}_{5}}]}^{-}}}}\,\)
સૂચિ $- I$ | સૂચિ $- II$ |
$(A)\,Ni(CN)^{3-}_5$ | $(1)\, sp^3$ |
$(B)\, CuCl^{3-}_5$ | $(2)\, dsp^2$ |
$(C)\, AuCl^-_4$ | $(3)\, sp^3d_{z^2}$ |
$(D) \,ClO^-_4$ | $(4)\, d_{x^2-y^2} sp^3$ |
$A\,\,\,-\,\,\,B\,\,\,-\,\,\,C\,\,\,-\,\,\,D$