MCQ
Which of the following molecules has the maximum dipole moment ?
- ✓NH3
- BNF3
- CCO2
- DCH4

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$M(s) \to M(g)\,\,\,\,\,\,\,\,\,\,\,\,\,\, ........(1)$
$M(s) \to M^{2+} (g) + 2e^-\,\,\,\,\,\,\,\,.......(2)$
$M(g) \to M^+(g) + e^-\,\,\,\,\,\,\,\,\,\,\,.........(3)$
$M^+ (g) \to M^{2+} (g) + e^-\,\,\,\,\,\,\,\,\,.........(4)$
$M(g) \to M^{2+} (g) +2e^-\,\,\,\,\,\,\,\,\,\,\,..........(5)$
The second ionization energy of $M$ could be calculated from the energy values assoclated with

$A$. $\mathrm{Ar}$ $B$. $\mathrm{Br}$ $C. F$ $D$. $\mathrm{S}$
Choose the most appropriate from the options given below:
The enzyme used in the above reaction is