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AIIMS 2002

Exam: AIIMS
Year: 2002
Subject: Chemistry
Chapter: p Block Elements (Group 15, 16, 17 & 18)

AIIMS 2002 · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

Which of the following compound is a tribasic acid?

Which of the following compound is a tribasic acid?

Which of the following compound is a tribasic acid?

Options

A $\mathrm{H}_3 \mathrm{PO}_2$
B $\mathrm{H}_3 \mathrm{PO}_4$
C $\mathrm{H}_3 \mathrm{PO}_3$
D $\mathrm{H}_4 \mathrm{P}_2 \mathrm{O}_7$

Correct answer

B. $\mathrm{H}_3 \mathrm{PO}_4$

Step-by-step solution

\mathrm{H}_3 \mathrm{PO}_4

is a tetrahedral structure molecule. It contains three

-\mathrm{OH}

group so that three protons can be released. So it acts as a tribasic acid. Which of the following compound is a tribasic acid?

Which of the following compound is a tribasic acid?

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