MCQ
The elements having the electronic configuration, [$Kr$] $4{d^{10}}{f^{14}},\,5{s^2}{p^6}{d^2},\,6{s^2}$ belongs to
- A$s$-block
- B$p$-block
- ✓$d$-block
- D$f$-block
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Select the correct option for $'X'$ and $'Y'$

$(i)\,CH_3CH_2OH$
$(ii)\ CH_3COCH_3$
$(iii)\ \begin{array}{*{20}{c}}
{C{H_3} - CHOH} \\
{\,\,|} \\
{\,\,\,\,\,\,C{H_3}}
\end{array}$
$(iv) \,CH_3OH$
Which of the above compound(s), on being warmed with iodine solution and $NaOH,$ will give iodoform ?