(a) Select all of the correct statements about the relative acid strengths of pa

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. H3PO4 is a stronger acid than H2PO4- because it has more acidic H atoms. PH3 is a stronger acid than NH3 because P atoms are larger than N atoms. HCl is a stronger acid than HI because Cl is more electronegative than I. H2Se is a stronger acid than H2S because Se atoms are larger than S atoms.

Explanation / Answer

HCl is a stronger acid than H2S because Cl is more electronegative than H3PO4 is a stronger acid than H2PO4- because it has more acidic H atoms HCl is a stronger acid than HI because Cl is more electronegative than I.

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