Question

# Assertion :All Bronsted bases are Lewis bases. Reason: A species that accepts a proton necessarily should donate a lone pair of electrons.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
C
Assertion is correct but Reason is incorrect
D
Assertion is incorrect but Reason is correct

Solution

## The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for AssertionAll Bronsted-Lowry bases must have a lone pair to accept $$H^+$$ ion, and all Lewis bases have lone pairs. However, Lewis bases may act as nucleophiles for any number of atoms; $$B$$, $$Al$$, $$C$$, etc; not just $$H$$. So, all Bronsted-Lowry bases are Lewis bases, but not all Lewis bases are Bronsted-Lowry bases.Chemistry

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