MCQ
Which of the following complex has highest $C-O$ bond length ?
- A$[Ni(CO)_3(PF_3)]$
- B$[Ni(CO)_4]$
- ✓$[Ni(CO)_3(PMe_3)]$
- DNone
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.


The correct statement($s$) regarding $P , Q , R$ and $S$ is(are)
$(A)$ Reaction of $P$ with $R$ in the presence of $KOH$ followed by acidification gives
$(B)$ Reaction of $R$ with $O _2$ in the presence of light gives phosgene gas
$(C)$ $Q$ reacts with aqueous $NaOH$ to produce $Cl _3 CCH _2 OH$ and $Cl _3 CCOONa$
$(D)$ $S$ on heating gives $P$