Q.
Which of the following species can act like both Lewis acid and a Lewis base
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a
CCl4
b
SiCl4
c
SCl4
d
GeCl4
answer is C.
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Detailed Solution
CCl4....cannot expand valency....no lp on central atom to donate.....neither a LA nor a LB; SiCl4....can expand valency....no lp on central atom to donate.....only a LA but not a LB; GeCl4....can expand valency....no lp on central atom to donate....only a LA but not a LB; SCl4....can expand valency....one lp on central atom to donate....Both LA and LB;
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