MCQ
Which of the following is the most stable
- ✓$P{b^{2 + }}$
- B$G{e^{2 + }}$
- C$S{i^{_{2 + }}}$
- D$S{n^{2 + }}$
✓
Answer
Correct option: A.
$P{b^{2 + }}$
a
(a) $P{b^{ + 2}}$ on going down the group due to inert pair effect $+ 2$ state is more stable than $+ 4.$
(a) $P{b^{ + 2}}$ on going down the group due to inert pair effect $+ 2$ state is more stable than $+ 4.$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Which of the following set have only aromatic compounds ?
Which one of the following is chiral ?
The enthalpy change for the conversion of $\frac{1}{2} Cl _2$ (g) to $Cl ^{-}$(aq) is $(-).......$
→$kJ\,mol ^{-1}$ (Nearest integer)
Given : $\Delta_{ dis } H _{ Cl _{2(g)}}^{\circ}=240\,kJ\,mol ^{-1}$.
$\Delta_{ eg } H _{ Cl _{(g)}}^{\circ}=-350\,kJ\,mol ^{-1}$,
$\Delta_{ hyd } H _{ Cl i _{( j )}^{\circ}}^{\circ}=-380\,kJ\,mol ^{-1}$
Which does not show resonance
In the sequence of the following reactions $X $ and $Y$ are respectively
→$C{{H}_{3}}OH\xrightarrow{HI}C{{H}_{3}}I\xrightarrow{KCN}$
$C{{H}_{3}}CN\xrightarrow{\text{reduction}}X\xrightarrow{HN{{O}_{3}}}Y$
How many atoms are contained in one mole of sucrose $({C_{12}}{H_{22}}{O_{11}})$
→Oxidation number of $Mn$ in ${K_2}Mn{O_4}$ and $MnS{O_4}$ are respectively
→The gas leaked from a storage tank of the Union Carbide plant in Bhopal gas tragedy was :
What is the correct electronic configuration of the central atom in $K _{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]$ based on crystal fleld theory?
→Find out stability order of following compounds
