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Q.

Which of the following is Lewis acid-Lewis base interaction ?

(i) B(CH3)3 and N(CH3)3 form addition compound
(ii) H3BO3 and C2H5OH form addition compound
(iii) Ammonium ion is formed by protonation of ammonia molecule

(iv) BF3 and NH3 form addition compound

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a

only (ii), (iii) are correct

b

only (iv) is correct

c

(ii), (iii) and (iv) are correct

d

All are correct

answer is D.

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Detailed Solution

 Lewis acid-Lewis base interaction 

(i) B(CH3)3 and N(CH3)3 form addition compound
(ii) H3BO3 and C2H5OH form addition compound
(iii) Ammonium ion is formed by protonation of ammonia molecule

(iv) BF3 and NH3 form addition compound

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