NH 3 and BF 3 combine readily with the formation of-A- a covalent bondB- a hydrogen bondC- an ionic bondD- a coordinate bond

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Byju's Answer

Standard XII

Chemistry

Coordinate Bond

NH 3 and BF 3...

Question

$N H_{3}$ and $B F_{3}$ combine readily with the formation of:

a covalent bond

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a hydrogen bond

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a coordinate bond

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an ionic bond

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Solution

The correct option is C a coordinate bond
$B F_{3}$ acts as a Lewis acid which is an electron-deficient compound whereas $N H_{3}$ is a Lewis base which is an electron rich compound. Ammonia can donate its lone pair of electron in its the $s p^{3}$ hybrid orbital to the vacant p-orbital of $B F_{3}$ through co-ordinate bond.

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NH3 and BF3 combine readily with the formation of:

$N H_{3}$ and $B F_{3}$ combine readily with the formation of: