Account for the following observations: (i) AlCl 3 is a Lewis acid (ii) Though fluorine is more electronegative than chlorine yet BF 3 is a weaker Lewis acid than BCl 3 (iii) PbO 2 is a stronger oxidising agent than SnO 2 (iv) The +1 oxidation state of thallium is more stable than its +3 state.

Question

Account for the following observations: (i) AlCl 3 is a Lewis acid (ii) Though fluorine is more electronegative than chlorine yet BF 3 is a weaker Lewis acid than BCl 3 (iii) PbO 2 is a stronger oxidising agent than SnO 2 (iv) The +1 oxidation state of thallium is more stable than its +3 state., (i) Electron deficiency in Al (ii) Smaller size of F (iii) Greater number of oxygen atoms (iv) Inert pair effect, (i) Electron deficiency in Al (ii) Larger size of F (iii) Greater number of oxygen atoms (iv) Inert pair effect, (i) Electron deficiency in Cl (ii) Smaller size of F (iii) Lesser number of oxygen atoms (iv) Inert pair effect, (i) Electron deficiency in Cl (ii) Larger size of F (iii) Lesser number of oxygen atoms (iv) Inert pair effect

MARKS App · Accepted Answer

Correct Option is : (A) (i) Electron deficiency in Al (ii) Smaller size of F (iii) Greater number of oxygen atoms (iv) Inert pair effect

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