MCQ
In a crystal, atoms are located at the position of:
- AMaximum potential energy
- ✓Minimum potential energy
- CZero potential energy
- DInfinite potential energy
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$1.$ $P$ and $Q$, respectively, are the sodium salts of
$(A)$ hypochlorus and chloric acids
$(B)$ hypochlorus and chlorus acids
$(C)$ chloric and perchloric acids
$(D)$ chloric and hypochlorus acids
$2.$ $R , S$ and $T$, respectively, are
$(A)$ $SO _2 Cl _2, PCl _5$ and $H _3 PO _4$
$(B)$ $SO _2 Cl _2, PCl _3$ and $H _3 PO _3$
$(C)$ $SOCl _2, PCl _3$ and $H _3 PO _2$
$(D)$ $SOCl _2, PCl _5$ and $H _3 PO _4$
Give the answer question $1$ and $2.$

$(a)$ $[Co(en)_2Cl_2]Br$
$(b)$ $[Pt(NH_3)_2Cl_2Br_2]$
$(c)$ $[Co(en)_3]Cl_3$
$(d)$ $[Pt(NH_3)_4Cl_2]$
$(e)$ $[Pt(NH_3)_2Cl_2]$