MCQ
The force which holds atoms together in an electrovalent bond is
- AVander Waal's force
- BDipole attraction force
- CElectrostatic force of attraction
- DAll the above
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How can this reaction is made to proceed in forward direction?
Statement $(I)$ : $\mathrm{SiO}_2$ and $\mathrm{GeO}_2$ are acidic while $\mathrm{SnO}$ and $\mathrm{PbO}$ are amphoteric in nature.
Statement $(II)$ : Allotropic forms of carbon are due to property of catenation and $\mathrm{p} \pi-\mathrm{d} \pi$ bond formation.
In the light of the above statements, choose the most appropriate answer from the options given below: