Which of the following are correct for co-ordianate covalent compounds?

Their M.P. is more than purely covalent bond

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Their B.P. is more than ionic compounds

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They are soluble in polar solvent

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They are good conductor of electricity

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Solution

The correct option is A Their M.P. is more than purely covalent bond
Their B.P. is less than ionic compounds. They are sparingly soluble in polar solvent and they are bad conductor of electricity. Hence only option A is correct.

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Q. Covalent compounds are more stable than ionic compounds.

Q. Ionic hydrides are generally more volatile than covalent hydrides.

Explain the following:
(a) Covalent compounds are generally gases or liquids or soft solids.
(b) Covalent compounds have low melting point and boiling point.
(c) Non-polar covalent compounds are insoluble in water.
(d) Polar covalent compounds are good conductors of electricity.

Q. Choose the correct statements about covalent compounds.
i. Generally, covalent compounds have low melting and boiling points.

ii. Covalent compounds are usually good conductors of electricity.

iii. Covalent compounds are generally soluble in organic solvents like petrol and kerosene.

iv. All covalent compounds are soluble in water.

[1 mark]

Q. We know that the ionic bonds are more stronger than the covalent bond,so why it is slightly complicated to dissolve the covalent bonded compounds?

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Which of the following are correct for co-ordianate covalent compounds?

The correct option is A Their M.P. is more than purely covalent bondTheir B.P. is less than ionic compounds. They are sparingly soluble in polar solvent and they are bad conductor of electricity. Hence only option A is correct.

The correct option is A Their M.P. is more than purely covalent bond
Their B.P. is less than ionic compounds. They are sparingly soluble in polar solvent and they are bad conductor of electricity. Hence only option A is correct.