Rank the followig compounds in order of decreasing acid strength using periodic

Question

Rank the followig compounds in order of decreasing acid strength using periodic trends. Put them strongest to weakest: H2S, HCl, BH3, HBr.
Match the follwing acids to the given Kal values: H2S, H2SO4, H2SO3 Kal= 1.7*10^-7 Kal= 1.7*10^-2 Kal= very large Rank the followig compounds in order of decreasing acid strength using periodic trends. Put them strongest to weakest: H2S, HCl, BH3, HBr.
Match the follwing acids to the given Kal values: H2S, H2SO4, H2SO3 Kal= 1.7*10^-7 Kal= 1.7*10^-2 Kal= very large
Match the follwing acids to the given Kal values: H2S, H2SO4, H2SO3 Kal= 1.7*10^-7 Kal= 1.7*10^-2 Kal= very large

Explanation / Answer

PART-1

Stongest to weakest

HI HCl H2S H2O

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PART-B

H2SO4 = Ka1 - very large

H2SO3 - 1.7*10^-2

H2S = 1.7*10^-7

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