MCQ
Which of the following order is correct ?
- A$He > Ne > Ar > Kr$ (Adsorption tendency)
- B$He > Ne > Ar > Kr$ (Critical temperature)
- C$He > Ne > Ar > Kr$ (Boiling point)
- ✓$Xe > Kr > Ar > Ne$ (Polarisation)
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| List-I Alkali Metal | List-II Emission Wavelength in nm | ||
| (A) | Li | (I) | 589.2 |
| (B) | Na | (II) | 455.5 |
| (C) | Rb | (III) | 670.8 |
| (D) | Cs | (IV) | 780.0 |
$\mathop {Ph - OH}\limits_{(A)} ,\,\,\,\,\mathop {Ph - C{H_2} - OH}\limits_{(B)} ,\,\,\,\,\mathop {Ph - C{O_2}H}\limits_{(C)} ,\,\,\,\mathop {Ph - C{H_2}-\mathop N\limits^ \oplus {H_3}}\limits_{(D)} $
