1
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

Kp for the following reaction is 3.0 at 1000 K.

CO2(g) + C(s) $$\rightleftharpoons$$ 2CO(g)

What will be the value of Kc for the reaction at the same temperature?

(Given : R = 0.083 L bar K$$-$$1 mol$$-$$1)

A
3.6
B
0.36
C
3.6 $$\times$$ 10$$-$$2
D
3.6 $$\times$$ 10$$-$$3
2
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

The pH of the solution containing 50 mL each of 0.10 M sodium acetate and 0.01 M acetic acid is [Given pKa of CH3COOH = 4.57]

A
5.57
B
3.57
C
4.57
D
2.57
3
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

3O2(g) $$\rightleftharpoons$$ 2O3(g)

for the above reaction at 298 K, Kc is found to be 3.0 $$\times$$ 10$$-$$59. If the concentration of O2 at equilibrium is 0.040 M then concentration of O3 in M is

A
4.38 $$\times$$ 10$$-$$32
B
1.9 $$\times$$ 10$$-$$63
C
2.4 $$\times$$ 1031
D
1.2 $$\times$$ 1021
4
NEET 2021
MCQ (Single Correct Answer)
+4
-1
The pKb of dimethyl amine and pKa of acetic acid are 3.27 and 4.77 respectively at T (K). The correct option for the pH of dimethyl ammonium acetate solution is :
A
6.25
B
8.50
C
5.50
D
7.75
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