MCQ
In an ionic crystal, both cations and anions are bound together by ………..
- ✓Strong electrostatic attractive forces
- BWeak electrostatic attractive forces
- CVanderwaals forces of attraction
- DWeak cohesive forces
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Which one of the following will give a pair of enantiomorphs?
$\begin{aligned} & {\left[ Cr \left( NH _3\right)_6\right]\left[ Co ( CN )_6\right]} \\ & {\left[ Co ( en )_2 Cl _2\right] Cl } \\ & {\left[ Pt \left( NH _3\right)_4\right]\left[ PtCl _4\right]} \\ & {\left[ Co \left( NH _3\right)_4 Cl _2\right] NO _2}\end{aligned}$