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) Select all of the correct statements about the relative acid strengths of pair

ID: 499865 • Letter: #

Question

) Select all of the correct statements about the relative acid strengths of pairs of acids from the choices below.


HCl is a stronger acid than H2S because Cl is more electronegative than S.

PH3 is a stronger acid than H2S because P is larger than S.

HBr is a stronger acid than H2Se because Br is more electronegative than Se.

HIO4 is a stronger acid than HIO because it has more oxygens surrounding the central I atom.

H2SO4 is a stronger acid than HClO4 because S is larger than Cl.

HClO4 is a stronger acid than HClO3 because it has more oxygens around its central atom.

Explanation / Answer

Correct statements :

1) HCl is a stronger acid than H2S because Cl is more electronegative than S.

2) HIO4 is a stronger acid than HIO because it has more oxygens surrounding the central I atom.

3) HBr is a stronger acid than H2Se because Br is more electronegative than Se.

4) HClO4 is a stronger acid than HClO3 because it has more oxygens around its central atom.

False statements :

PH3 is a stronger acid than H2S because P is larger than S.

H2SO4 is a stronger acid than HClO4 because S is larger than Cl.

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