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Chemical Bonding And Molecular Structure

Question

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Which of the following is least likely to behave as Lewis base?

NH₃

BF₃

OH^-

H₂O

Solution

B.

BF₃

BF₃ is an electron deficient species, thus behaves like a Lewis acid.

Some More Questions From Chemical Bonding and Molecular Structure Chapter

What are valence electrons?

Why do atoms combine?

Can ionic bond be formed between similar atoms?

Why two helium atoms do not combine to form He₂?

What are 'Lewis structures'?

Name the conditions for the formation of an ionic bond between two atoms.

What is crystal lattice?

What is electrovalency?

What bond is present in MgCl₂ molecules?

Write Lewis dot symbols for atoms of the elements Mg, Na, B, O, N, Br.

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