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Question

Which of the following contains a coordinate covalent bond? This bond is also called a dative bond.


A
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B

BaCl2

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C

HCl

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D

H2O

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Solution

The correct option is A

HCl and H2O are covalent compounds. BaCl2 is an ionic salt. Thus, its NH3BF3.
Here Nitrogen bonds with Boron by sharing its lone pair which is a coordinate covalent bond.


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