Multiple choice

If 1 mole of H3PO4 is reacted with 1 mole of X(OH)2 as: H3PO4 + X(OH)2 → XHPO4 + 2H2O. Then which of the following statements is correct

  1. The equivalent weight of base is (molecular wt./3)

  2. The eq. wt. of H3PO4 is 98/3

  3. The resulting solution is required 1 mole NaOH for completing neutralisation.

  4. 1 mole X(OH)2 more required 1 mole NaOH for complete neutralisation.

  5. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The resulting solution has still one mole H+ ion to be neutralised, so, 1 mole of NaOH is required for complete neutralisation. Hence, this is a correct option.