MCQ
Angular wave function $A(\theta , \phi )$ for any atomic orbital is " $\frac{1}{2}\sqrt {\frac{3}{\pi }\cos \theta }$ " in polar co-ordinate system
- A$2s$
- B$2P_x$
- C$2P_y$
- ✓$2P_Z$
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Statement $I$ : The correct order of first ionization enthalpy values of $\mathrm{Li}, \mathrm{Na}, \mathrm{F}$ and $\mathrm{Cl}$ is $\mathrm{Na}<\mathrm{Li}<\mathrm{Cl}<\mathrm{F}$.
Statement $II$ : The correct order of negative electron gain enthalpy values of $\mathrm{Li}, \mathrm{Na}, \mathrm{F}$ and $\mathrm{Cl}$ is $\mathrm{Na}<\mathrm{Li}<\mathrm{F}<\mathrm{Cl}$
In the light of the above statements, choose the correct answer from the options given below :