Which one of the following species could not react as a Bronsted-Lowry base? NH_

Question

Which one of the following species could not react as a Bronsted-Lowry base? NH_4^+ HH_2^- CN^- F^- CH_3COO^- Which one of the following pairs of acids is incorrectly listed Stronger Acid Weaker Acid HC1O HCIO_2 HNO_3 HNO_2 H_2SO_4 H_2SO_3 H_2SO_3 H_2 SeO_3 HClO_4 HlO_4 Which one of the following reactions can be classified as a Lewis acid-base reaction but not as a Bronsted-Lowry acid-base reaction? Al(OH)_3(s) + OH^-(aq) righarrow Al(OH)_4^- (aq) NH_2(g) + H_2O(l) rightarrow NH_4^+(aq) + OH^-(aq) CH_3COO^-(aq) + H_2O(l) rightarrow CH_3 COOH(aq) + OH^-(aq) H^+(g) + H^-(g) rightarrow H_2(g) Ca(OH)_2(s) + 2HCl(g) rightarrow CaCl_2(s) + 2H_2 O(l)

Explanation / Answer

1a) Bronsted-lowry base: the one which accepts protons are called as Bronsted-lowry base.

Not a Bronsted-lowry base = NH4^+

2a) pairs of acids which are incorrectly matched.

Stronger acid                         weaker acid

   HClO                                      HClO2

3a) Al(OH)3 + OH- -----> Al(OH)4^-1

     Ca(OH)2 + 2HCl -----> CaCl2 + 2H2O

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