Which of the following is not a Lewis acid?

A. ZnCL2

B. BF3

C. H2O

D. Ag+

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  1. Ionisation constant of formic acid is 1.8 x 1.8×10-4 at 298 K. In 0.1 NHCOOH the percentage…
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  8. On dissolving copper sulphate in water pH of the solution
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  13. According to Bronsted Lowry an acid is
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  15. Sum of pH and pOH of an acidic solution at 25°C is
  16. 2 gm of NaOH is dissolved in one litre water. pH of the solution will be
  17. In an aquous solution of silver bromide concentration of Ag+ is 1×10-6 mol lit-1.…
  18. Decinormal solution of acetic acid ionised to an extent of 1.3%. pH of this solution will be (log 1.3…
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  21. Ostwald dilution law is applicable for :
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  23. During salt analysis NH4OH is added before adding NH4OH for third gp., cation analysis so as to
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  25. Kspfor AgCl (mol wt 143.5) is 17 x 10-11 at 298K. The molar solubility of AgCl at 298 Kis
  26. Acetic acid is weak acid because it is
  27. CH3COOH+H2⇋H3O++CH3COO-In the above reaction acid is
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