Equally shared between them Covalent bond is present in

N a_{2} S

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A l C l_{3}

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N a H

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K_{2} O

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Solution

The correct option is B $A l C l_{3}$
$1.$ $A l C l_{3}$
$2.$ The electronegativity difference between $A l$ and $C l$ is not large enough to support ionic behaviour. So a
covalent character exists in this compound.
$3.$ Thus $A l C l_{3}$ (option B) has covalent bonds.

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Q. Write the names and symbols of the consituent elements and identify their valencies from the molecular formulae given below:

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Q. Assertion :Anhydrous

A l C l_{3}

is covalent while aqueous

A l C l_{3}

is ionic. Reason: In water

A l C l_{3}

is present as

A l^{3 +}

and

C l^{-}

ion.

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Equally shared between them Covalent bond is present in

The correct option is B AlCl31. AlCl32.The electronegativity difference between Al and Cl is not large enough to support ionic behaviour. So acovalent character exists in this compound.3.Thus AlCl3(option B) has covalent bonds.

The correct option is B $A l C l_{3}$
$1.$ $A l C l_{3}$
$2.$ The electronegativity difference between $A l$ and $C l$ is not large enough to support ionic behaviour. So a
covalent character exists in this compound.
$3.$ Thus $A l C l_{3}$ (option B) has covalent bonds.