MCQ
The lanthanide contraction relates to
- AAtomic radii
- ✓Atomic as well as ${M^{3 + }}$ radii
- CValence electrons
- DOxidation states
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Select the correct option for $'X'$ and $'Y'$
$(A)\xrightarrow{{\operatorname{Re}duction}}(B)\xrightarrow{{HN{O_2}}}{C_2}{H_5}OH$
