Q. No.Ionisation constant of CH3COOH is 1.7 X 10-5 and concentration of H+ ions is 3.4 X 10-4.Then, find out initial concentration of CH3COOH molecules.
1. 3.4 X 10-4
2. 3.4 X 10-3
3. 6.8 X 10-4
4. 6.8 X 10-3
The formation of phosgene is represented as,
CO + Cl2 COCl2
The reaction is carried out in 500 mL flask. At equilibrium o.3 mole of phosgene, 0.1 mole of CO and 0.1 mole of Cl2 are present. The equilibrium constant of the reaction is:
1. 30
2. 15
3. 5
4. 3
The reaction quotient (Q) for the reaction, is given by
The reaction will proceed towards the right side, if
1. Q>Kc
2. Q=0
3. Q=Kc
4. Q<Kc
The value of equilibrium constant of the reaction,
The equilibrium constant of the reaction, wiill be [2008]
1.
2.
3. 16
4.
The hydrolysis of the salt of a strong acid and a weak base is called:
1. Anionic hydrolysis
2. Cationic hydrolysis
3. Amphoteric hydrolysis
4. None of the above
For the reaction, A+B \(⇌ \)3C at \(25^{\circ}C\), a 3 litre vessel contains 1, 2, and 4 mole of A, B and C respectively. If Kc for the reaction is 10, then the reaction will proceed in:
1. forward direction
2. backward direction
3. in either direction
4. in equilibrium
Which of the following is most soluble in water?
1. MnS (Ksp = 8x10-37)
2. ZnS (Ksp = 7x10-16)
3. Bi2S3 (Ksp = 1x10-70)
4. Ag2S (Ksp = 6x10-51)
The values of Kp1 and Kp2 for the reactions
are in ratio of 9:1, if degree of dissociation of X and A be equal, then total pressure at equilibrium (i) and (ii) are in the ratio
1. 3:1
2. 1:9
3. 36:1
4. 1:1
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