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Standard XII

Chemistry

Electrolytes

Polar covalen...

Question

Polar covalent compounds are __________ in gaseous state, but ionizes in aqueous solution state.

electrolytes

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non-electrolytes

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soluble

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none of the above

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Solution

The correct option is A non-electrolytes
Polar covalent compounds are non-electrolytes in gaseous state, but ionise in aqueous solution state.

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Similar questions

Q. Two substance

X

and

Y

are dissolved in water under suitable conditions.

X

is a gas while Y is a solid under normal conditions. The solution of

Y

is found to conduct electricity but not '

X

'. Based on the conclusion identify the nature of bond present in

X

and

Y

with appropriate reasons as given below.

Arrange the steps given below in a sequence.
(a)

Y

is a solid at room temperature and its aqueous solution conducts electricity. This show that it is an ionic compound.
(b)

X

on dissolution in water doesn't conduct electricity and is a gas at room temperature. Hence it should be a non-polar covalent molecule.
(c) Aqueous solutions of both ionic compounds and polar covalent compounds conduct electricity because of the presence of free ions.
(d) All ionic compounds are solids and most of the non-polar covalent molecules are gases or solids at room temperature. Polar covalent compounds are liquids or gases.

(a) Name two compounds that are covalent when taken pure but produce ions when dissolved in water.

(b) For each compound mentioned above, give the formulae of ions formed in aqueous solutions.

Q. Assertion:

H C l

is a covalent compound but it conducts electricity in its aqueous state. Reason: In aqueous solution

H C l

ionises to

H^{+}

and

C l^{-}

ions which are responsible for electrical conductivity.

A B and C are three substances.A does not conduct electricity in the solid or liquid state.B conducts electricity both in the fused and solution C conduct electricity in aqueous solution but not in liquid state.which of the following statements is false regarding A B and C

A) A has polar covalent linkage

B) a has nonpolar covalent linkage

C) B is ionic in nature

D) C has polar covalent linkage

Q. Name a covalent compound which behaves like an ionic compound in aqueous solution

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Polar covalent compounds are __________ in gaseous state, but ionizes in aqueous solution state.

The correct option is A non-electrolytesPolar covalent compounds are non-electrolytes in gaseous state, but ionise in aqueous solution state.

The correct option is A non-electrolytes
Polar covalent compounds are non-electrolytes in gaseous state, but ionise in aqueous solution state.