MCQ
The Lanthanoid contraction refers to:
- ✓Vlence electrons of the Lanthanide series.
- BIonic radius of the series.
- CThe density of the series.
- DNuclear mass of the series.
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$(i)$ $CH_3CH_2COCH_2Cl$ $(ii)$ $C_6H_5COCH_3$
$(iii)$ $C_6H_5COCHCl_2$ $(iv)$ $CH_3CH_2COCCl_3$
$Pt\,|\,B{r_{2(\ell )0.1M}}\,|\,Br_{({\text{aq}}),0.1M}^ - \,||\,H_{_{({\text{aq}})0.1M}}^ + \,|\,{H_{2(g)1atm}}\,|\,Pt$ given ; $E_{B{r^ - }/B{r_2}}^0\, = \, - 1.06\,V$