MCQ
Noble gases are absorbed by
- Aanhydrous calcium chloride
- Bferric hydroxide
- Cconc. $H_2SO_4$
- ✓activated coconut charcoal
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| Element | Ionization | enthalpy | $(kJ/mol)$ |
| $1^{st}$ | $2^{nd}$ | $3^{rd}$ | |
| $A$ | $899$ | $1757$ | $14847$ |
| $B$ | $737$ | $1450$ | $7731$ |
Which of the following statements is correct ?
Reason : Fluorine has $2s^2\,2p^5$ configuration.
