Q.6 The 'pH' of our blood is:
A) 6.7 – 8 C) 7.5
B) 7.9 D) 7.35 – 7.4
A) 6.7 – 8 C) 7.5
B) 7.9 D) 7.35 – 7.4
Q.7 The value of equilibrium constant (Kc) for the reaction 2HF(s) ⇌ H2(g) + F2(g) is 10-13 at 2000 °C.
Calculate the value of Kp for this reaction:
A) 2 x 10-13 C) 186 x 10-13
B) 10-13 D) 3.48 x 10-9
Q.8 What will be the pH of a solution of NaOH with a concentration of 10-3 M?
A) 3 C) 11
B) 14 D) 7
Calculate the value of Kp for this reaction:
A) 2 x 10-13 C) 186 x 10-13
B) 10-13 D) 3.48 x 10-9
Q.8 What will be the pH of a solution of NaOH with a concentration of 10-3 M?
A) 3 C) 11
B) 14 D) 7
Q.9 What is the correct relation between pH and pK?
| A) pH = pKa + log | Ba Acid se | | C) pH = pKa ― log | Ba Acid se | |
| B) pH = pKa ― log | Ba Acid se | | D) pH = pKa + log | Ba Acid se |
Q.11 Human blood maintains its pH between:
A) 6.50 - 7.00 C) 7.50 - 7.55
B) 7.20 - 7.25 D) 7.35 - 7.40
Q.12 Value of Ksp for PbSO4 system at 25 °C is equal to:
A) 1.6 x 10-5 mol2dm-6 C) 1.6 x 10-8 mol2dm-6
B) 1.6 x 10-6 mol2dm-6 D) 1.6 x 10-7 mol2dm-6
A) 6.50 - 7.00 C) 7.50 - 7.55
B) 7.20 - 7.25 D) 7.35 - 7.40
Q.12 Value of Ksp for PbSO4 system at 25 °C is equal to:
A) 1.6 x 10-5 mol2dm-6 C) 1.6 x 10-8 mol2dm-6
B) 1.6 x 10-6 mol2dm-6 D) 1.6 x 10-7 mol2dm-6