MCQ
If a molecule ${X_2}$ has a triple bond, then $X$ will have the electronic configuration
- A$1{s^2}\,\,2{s^2}\,2{p^5}$
- ✓$1{s^2}\,\,2{s^2}\,2{p^3}$
- C$1{s^2}\,2{s^1}$
- D$1{s^2}\,2{s^2}\,2{p^1}$
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$A$. Glycerol is purified by vacuum distillation because it decomposes at its normal boiling point.
$B$. Aniline can be purified by steam distillation as aniline is miscible in water.
$C$. Ethanol can be separated from ethanol water mixture by azeotropic distillation because it forms azeotrope.
$D$. An organic compound is pure, if mixed $M.P$. is remained same.
Choose the most appropriate answer from the options given below :
(Atomic mass, $Ag =108, Br =80\, g\, mol ^{-1}$ )
| List $I$ (Spectral Series for Hyddrogen) | List $II$ (Spectral Region/Higher Energy State) |
| $A$. Lyman | $I$. Infrared region |
| $B$. Balmer | $II$. $UV$ region |
| $C$. Paschen | $III$. Infrared region |
| $D$. Pfund | $IV$. Visible region |
Choose the correct answer from the options given below :-