EASY
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As compared to covalent compounds, electrovalent compounds generally have:
(a)Low melting points and low boiling points
(b)High melting points and high boiling points
(c)Low melting points and high boiling points
(d)High melting points and low boiling points

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Important Questions on Chemical Bonding and Molecular Structure
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Find out the correct order of ionic character in the following molecules

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Thus process of formation of in gas phase is unfavourable though is isoelectronic with neon. It is due to the fact that,

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Match the following species with the correct number of electrons present in them:
Species | Number of Electrons |

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Two elements and have electronegativities and respectively. The nature of bond between and would be

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What should be the correct order of lattice energy values of the following alkali halides?
and

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For the molecules and what is the correct arrangement of bonds in order of increasing ionic character?

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Give a reason for the following:
Ionic compounds have a high melting point.

HARD

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Statement II: The lattice energies of the fluorides of alkaline earth metals are very high.

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