CBSE
Multiple Choice QuestionsThe solubility product for XY is :
s2
2s
4s2
2s
50 mL of 0.1 M HCl and 50 mL of 0.2 M NaOH are mixed .The pH of the resulting solution is :
1.30
4.2
12.70
11.70
Assertion : Mixture of CH3COOH and CH3COONH4 is an example of acidic buffer.
Reason: Acidic buffer contains equimolar mixture of weak acid and its salt with weak base.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both aaertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
The solubility of AgCl is 1.435 g/L. What will be the solubility product ?
10-4
0.01
0.001
0.001
One mole of SO3 was placed in a vessel of 1 L capacity at a certain temperature and the following equilibrium was established.
2SO3 (g) 2SO2 (g) + O2 (g)
If 0.6 moles of SO2 were formed at equilibrium, Kc for the reaction will be
0.036
0.45
0.54
0.675
The equilibrium constant for the reaction,
HI(g) is Kc
Equilibrium constant for the reaction 2HI(g) H2(g) + I2(g) will be
1/Kc
1/(Kc)2
2/Kc
2/(Kc)2
In a reversible reaction ifthe concentration of reactants and products are doubled , the value of Kc will be :
half of the initial value
double of initial value
one fourth of the initial value
same the initial value
Amines behave as :
Lewis acid
Lewis base
aprotic acid
neutral compound
Conjugate acid of CH3NH2 is :
CH3OH
CH3NH3+
CH2NH2+
CH3N-H
2X + 2Y 2Z
The equilibrium constant for the above reaction :
