Question

Select every statement that is true about relative acid strengths. HSCN is a stronger acid than...

Select every statement that is true about relative acid strengths.

HSCN is a stronger acid than HSeCN.

NH4+ is a stronger acid than PH4+.

HCF3 is a stronger acid than HCCl3.

H2XeO4 is a stronger acid than HXeO4-1

HNO is a stronger acid than HNO2

HS - is a stronger acid than H2P -
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Homework Answers

Answer #1

Remember on basic formula : Stronger the bond the weaker the acids and it is determined by it's proton donating ability.

HSCN is a stronger acid than HSeCN.. False, HSCN has less ionic strength

NH4+ is a stronger acid than PH4+. False, PH4+ is more acidic

HCF3 is a stronger acid than HCCl3.. False, HCCL3 is a stronger- because of back bonding as it has a vaccant d-orbit

H2XeO4 is a stronger acid than HXeO4-1..False, H bonds are stronger bonds, it takes more energy to break and higher the energy needs to break the bond, it is weaker in acidic.

HNO is a stronger acid than HNO2...False. because it has higher acid dissociation constant

HS - is a stronger acid than H2P - True, H bond are stronger bonds, HS has single H atom, so it is more acidic compared to H2P
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