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Chemistry

Answered

Rank the following compounds in order of decreasing acid strength using periodic trends. Rank the acids from strongest to weakest.

a. HCl
b. H2S
c. HBr
d. BH3

Answer :

Pstnonsonjokugo Pstnonsonjokugo

Answer:

HBr > HCl > H2S > BH3

Explanation:

In many acids, the magnitude of electronegativity of the nonmetal determines the strength of the acid. The less electronegative the non-metal is, the stronger the acidity of the acid.

This is because the less electronegative the nonmetal is, the more easily the H-X bond is broken since it is longer and weaker.

This explains the order of acid strength shown in the answer above.

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