NH3 and BF3 combine readily because of the formation of:
A
a covalent bond
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B
a hydrogen bond
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C
a coordinate bond
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D
an ionic bond
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Solution
The correct option is A a covalent bond NH3BH3 readily as they form coordinate bond. BF3 is e− deficient and NH3 has a lone pair of electrons which it shares with BF3 to form an adduct.