Related Questions
What is the correct answer?
4
For the reaction 2HI (g) at 721 K
value of equilibrium constant is 50, when molar concentration of both hydrogen and iodine is 0.5 M at equilibrium value of under the same conditions will be
What is the correct answer?
4
Once the equilibrium is reached under given condition:
A. Cone, remains the same in spite of the change in temperature
B. Cone, of all the substances presents do not change
C. Cone, of reactants remairfs same
D. Cone, of products remains same
What is the correct answer?
4
The reaction 2HI is at equilibrium at 298 K 1 mole of gas is introduced in the reaction chamber at constant temperature and constant volume. At this:
A. state of equilibrium will remain unaffected
B. more of HI will be obtained
C. equilibrium constant will change
What is the correct answer?
4
For the reaction at 720 K the equilibrium constant value is 50. The equilibrium constant for the reaction at the same temperature will be
What is the correct answer?
4
If equilibrium constant for the reaction at 298K is 2.54, the value of equilibrium constant for the reaction will be
What is the correct answer?
4
For the reaction the equilibrium constant (K) is
What is the correct answer?
4
A chemical reaction is said to be in equilibrium when
A. Rate of conversion of P to Q is the same as that of Q to P
B. P and Q are present in equimolar ratio
C. P has completely changed to Q
D. 35% of P is changed to Q
What is the correct answer?
4
The equilibrium constant at 1400 K is 23.90. The equilibrium constant for the reaction at 1400 K will be
What is the correct answer?
4
The equilibrium constant for the reaction at 523 K is
0.04. If value of R = 8.314 then for the reaction will be
What is the correct answer?
4
Equilibria are those in which the reactants and products are present in more than phases:
What is the correct answer?
4
Equilibrium constant for the reaction is 0.0205 at 230°C and 1 atmospheric pressure if at equilibrium concentration of is 0.235 moles and that of = 0.028 moles then conc. of at equilibrium is
What is the correct answer?
4
Which of the following is correct ?
What is the correct answer?
4
According to the following reactions, which oxide of nitrogen is the most stable at 298 K
A.
B.
C.
D.
What is the correct answer?
4
0.5 moles of and 0.5 moles of are introduced in the reaction chamber of capacity 10 litre at 271 K. react to give HI and is found to be 50. If total pressure in the reaction chamber is 5.9 atmosphere then partial pressure of hydrogen will be
What is the correct answer?
4
The chemical system in equilibrium is not affected by
A. change in the concentration of products
B. increase in the concentration of reac-tants
C. addition of a catalyst
D. changing the temperature
What is the correct answer?
4
0.894 moles of is enclosed in a 5-litre container and heated to 620 K. If value of the equilibrium constant for the reaction is 0.0395 at 629 K then concentration of NH3 at equilibrium will be
What is the correct answer?
4
At equilibrium the concentration of and HI in a reaction chamber kept at 773 K is = 0.42 mole = 0.042 mole = 3.52 moles . The value of the equilibrium constant for the reaction 2HI is
What is the correct answer?
4
Equilibrium constant changes with
D. both temperature and concentration
What is the correct answer?
4
At 2000 K the reaction is at equilibrium. If the molar concentration of both CO and at 2000 K at equilibrium is 8 moles and 2 moles respectively then equilibrium constant for the reaction will be
What is the correct answer?
4
is kept in a closed container at a temperature of 250 K the equilibrium concentration of the different substances is The value of equilibrium constant for the reaction will be
What is the correct answer?
4
On mixing 1 mole of ethyl alcohol with 1 mole of acetic acid at 298 K the equilibrium concentration of ester and water becomes - moles each. If moles of alcohol is mixed with 1 mole of acid, the concentration of ester in moles at equilibrium will be
What is the correct answer?
4
Reaction between silver nitrate and sodium chloride goes to completion because
A. the reaction is instantaneous
B. silver nitrate is insoluble in water
C. silver chloride is sparingly soluble in water
D. solubility of silver nitrate increases with sodium chloride