(a) Select all of the correct statements about the relative acid strengths of pa
ID: 917145 • Letter: #
Question
(a) 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.
NH3 is a stronger acid than PH3 because N is more electronegative than P.
HBr is a stronger acid than HF because Br atoms are larger than F atoms.
HF is a stronger acid than HBr because F is more electronegative than Br.
HBr is a stronger acid than H2Se because Br is more electronegative than Se.
H2S is a stronger acid than PH3 because S is more electronegative than P.
Explanation / Answer
correct statements : in general by increasing electronegativity of non-metal , the corresponding HX acidity increases.
HCl is a stronger acid than H2S because Cl is more electronegative than S.
HF is a stronger acid than HBr because F is more electronegative than Br.
H2S is a stronger acid than PH3 because S is more electronegative than P.
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