1.

What are lewis acids and bases? Give two examples for each. Lewis acid: (ii)Lewis bases:

Answer»

Solution :(i) Lewis acid is a SPECIES that accepts an electron pair.
(ii) Lewis acid is a positive ion (or) an electron DEFICIENT molecule.
(iii) EXAMPLE `,FE^(2+),CO_2,BF_3,SiF_4` etc….
(ii)(i) Lewis base is a species that donates an electron pair.
(ii) Lewis base is an anion (or) neutral molecule with atleast one lone pair of electron.
(iii) Example `NH_3,F^(-), CH_2=CH_2,CaO` etc…….


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