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Which of the following is not correct re...

Which of the following is not correct regarding the properties of ionic compounds ?

A

lonic compounds have high melting and boiling points

B

Their reaction velocity in aqueous medium is very high

C

Ionic compounds in their molten and aqueous solutions do not conduct electricity

D

They are highly soluble in polar solvents

Text Solution

Verified by Experts

The correct Answer is:
( c)
Ionic compounds have high melting and boiling points and they are highly soluble in polar solvents. The reaction velocity of ionic compounds is very high in aqueous solutions. Ionic compounds conduct electricity in their molten and aqueous solutions but they have low electrical conductivity in solid state.
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SIA PUBLICATION-CHEMICAL BONDING AND STRUCTURE OF MOLECULES-MCQ
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  2. Which of the following is correct?

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  3. Which of the following is not correct regarding the properties of ioni...

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  4. The oxidation state of Xe in XeO(3) and the bond angle in it respectiv...

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  5. If the bond length and dipole moment of a diatomic molecule are 1.25 A...

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  6. Which one of the following molecules contains both ionic and covalent ...

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  7. What is the hybridisation state of the central atom in NH(4)^(+) ion?

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  8. The number of lone pairs of electrons present on Xe in XeF(4) is

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  9. Which of the following statements is true ?

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  10. Which of the following has lowest bond angle?

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  11. Which of the following is the correct pair?

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  12. The molecule having zero dipole moment is

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  13. Which of the following covalent molecules is an exception of octet rul...

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  14. Which one of the following statements is true for ammonium ion ?

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  15. The state of hybridisation of boron in BCl(3) is

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  16. The effect of repulsion between the two lone pair of electrons present...

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  17. Which of the following molecules has the highest dipole moment?

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  18. In which of the following compounds is hydrogen bonding strongest in l...

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  19. Which of the following contains a coordinate covalent bond ?

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  20. . Valence bond theory of L. Pauling and J.C. Slater accounts for ........

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