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WorksheetsIONIC EQUILIBRIUM
Total questions: 10
Worksheet time: 19mins
Ionic product of water increases if
Pressure is reduced
H + is added
OH - is added
Temperature is increased
If acetic acid is mixed with Sodium Acetate then H + Ion concentration will be
Increase
Decrease
Remain unchanged
PH decreases
PH of NaOH solution is 13. The amount of NaOH present in 400 ml of the aqueous solution is
4g
8g
16g
1.6g
If pH of a saturated solution of Ba(OH)2 is 12, the value of its KSP
5.00 x 10-7 M3
4.00 x 10-7 M3
4.00 x 10-6 M3
5.00 x 10-6M3
PH of 10-8M NaOH solution is
8
6.8
7
4
The buffer solution is able to maintain pH by some events, except . . .
The addition of a little acid
The addition of a little base
Dilution
Addition of water
The addition of excess acid
The following solution mixture which is not buffer is . . .
NaH2PO4 and Na2HPO4
NH3 and (NH4)2SO4
HCOOH and Ba(HCOO)2
H3PO4 and NaH2PO4
NaOH and Ba(HCOO)2
a buffer solution is made by mixing HA, a weak acid, with salts containing A- ions.
HA ↔ H+ + A-
a formula that can be used for the calculation of the pH of this buffer solution is
Calculate the degree of ionization of 0.04M HOCl solution having ionization constant of 1.25X10⁻⁴?
0.025
0.25
0.5
0.055
What will be the solubility product of AX3:
27S4
4S3
36S4
9S3
