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Which one of the following substances has the highest proton affinity?

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asked Mar 31, 2018 in Chemistry by paayal (26,720 points) ● 4 ● 6 ● 11

Which one of the following substances has the highest proton affinity?

(a) H2O 

(b) H2S

(c) NH3 

(d) PH3.

1 Answer

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answered Mar 31, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Apr 1, 2018 by Vikash Kumar
 
Best answer

(c) : Ammonia is a Lewis base, accepting proton to form ammonium ion as it has tendency to donate an electron pair.

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