MCQ
The number of electrons in $C{l^ - }$ ion is
- A$19$
- B$20$
- ✓$18$
- D$35$
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$k=A\,e-^{E/RT}$
In this equation, $E$ represents


Given that the lonic product of $Ni ( OH )_{2}$ is $2 \times 10^{-15}$
