$A$ lone pair of electrons in an atom implies
- A$A$ pair of valence electrons not involved in bonding
- B$A$ pair of electrons involved in bonding
- C$A$ pair of electrons
- D$A$ pair of valence electrons
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The correct order of $O-O$ bond length in $O_{2}$, $H_{2}O_{2}$ and $O_{3}$ is
The number of ionic,covalent,and coordinate bonds in $NH_4Cl$ are respectively:
Medium
View SolutionWhich of the following is an incorrect statement?
Observe the following sets:
Label Order Property $i.$ $NH_3 > H_2O > SO_2$ Bond angle $ii.$ $H_2O > NH_3 > H_2S$ Dipole moment $iii.$ $N_2 > O_2 > H_2$ Bond enthalpy $iv.$ $NO^{+} > O_2 > O_2^{2-}$ Bond order
Which of the above sets are correctly matched?
| Label | Order | Property |
|---|---|---|
| $i.$ | $NH_3 > H_2O > SO_2$ | Bond angle |
| $ii.$ | $H_2O > NH_3 > H_2S$ | Dipole moment |
| $iii.$ | $N_2 > O_2 > H_2$ | Bond enthalpy |
| $iv.$ | $NO^{+} > O_2 > O_2^{2-}$ | Bond order |
Which of the above sets are correctly matched?
Solid $BeH_2$ and solid $BeCl_2$ differ in
Medium
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