MCQ
The $IUPAC$ name of is


- A$1-$chloro$-1-$oxo$-2,{3-}$dimethylpentane
- B${2-}$ethyl$-{3-}$methylbutanoyl chloride
- ✓$2,{3-}$dimethylpentanoyl chloride
- D$3,4-$dimethylpentanoyl chloride.

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Set $1$: $Al_2O_3 .xH_2O\, (s)$ and $OH^-(aq)$
Set $2$: $Al_2O_3 .xH_2O\, (s)$ and $H_2O\,(l)$
Set $3$: $Al_2O_3 .xH_2O\, (s)$ and $H^+(aq)$
Set $4$: $Al_2O_3 .xH_2O\, (s)$ and $NH_3(aq)$