Home
Class 11
CHEMISTRY
To neutralize compltely 20 ml of 0.1 M a...

To neutralize compltely 20 ml of 0.1 M aqueous solution of phosphorus acid, the volume of 0.1 molal aqueous KOH solution required is

A

10 ml

B

60 ml

C

40 ml

D

20 ml

Text Solution

Verified by Experts

The correct Answer is:
C
Eq of `H_(3)PO_(3)` = Eq of KOH
`2xx0.1xx20=1xx0.1xxV_(2)impliesV_(2)=40ml`
Promotional Banner

Similar Questions

Explore conceptually related problems

To neutralize completely 20 ml of 0.1 M phosphorus acid, 40 mol of KOH was required. What volume of this KOH solution will be required to neutralize 0.66 g of H_(3)PO_(2) ?

Mole fraction of the solute in a 1.00 molal aqueous solution is

The mole fraction of solvent in 0.1 molal aqueous solution is

The pH and pOH of 0.1 M aqueous solution of HNO_3 , are

The pH of a 0.001 M aqueous solution of sodium hydroxide will be

When 20 ml of 2.5" M "H_(2)O_(2) aqueous solution is decomposed the S.T.P. volume of oxygen obtained is

Aqueous solution of KCI is neutral because

The pH of 0.05M aqueous dimethyl amine is 12. Calculate the K_b value of the base in aqueous solution.