MCQ
When a neutral atom is converted into cation, there is
- ADecrease in the atomic number
- BAn increase in the atomic number
- ✓A decrease in size
- DAn increase in size
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(Nearest integer)
$\left(\mathrm{h}=6.63 \times 10^{-34}\, \mathrm{Js}, \mathrm{c}=3.00 \times 10^{8} \,\mathrm{~ms}^{-1}\right)$
$XeF _4, SF _4, SiF _4 . BF _4^{--}, BrF _4^{-},\left[ Cu \left( NH _3\right)_4\right]^{2+},\left[ FeCl _4\right]^{2-},\left[ CoCl _4\right]^{2-}$ and $\left[ PtCl _4\right]^{2-}$.
Defining shape on the basis of the location of $X$ and $Z$ atoms, the total number of species having a square planar shape is