which of the following is not diprotic? (a)H2SO4. (b)H3PO4. (c)H2CO3. (d)none of these
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answer is option b, because it donates 3hydrogen's.
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B
H3PO4
There are 3 H atoms connected to 3 O atoms.These atoms are converted into H+ ions by donating 1 electron to Oxygen as Oxygen has more electronegativity than hydrogen. Thus H3PO4 is triprotic because it can release 3 H+ ions.
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