Chemical equilibrium state is
A. dynamic state
B. static state
C. free state
D. unidirectional state
Chemical equilibrium state is Read More »
Chemistry
Which set of solutes will form a buffer when dissolved in water to make 1 litter of solution?
A. 0.0002M HCI
B. 0.2 mole of NaCI with 0.2 mole of HNO3
C. 0.4 mole of CH3COOH with 0.4 mole of NaOH
D. 0.4 mole of NH3 with 0.2 mole of HCI
Which of the following is not a base?
A. KOH
B. NH3
C. PH3
D. BF3
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In which of the following equilibria will Kc and Kp have the same value?
A. PCI5 = PCI3 + Cl2
B. N2 + 3H2 = 2NH
C. 2CO + O2 = CO2
D. N2 + O2 = 2NO
In which of the following equilibria will Kc and Kp have the same value? Read More »
Conjugated base of a weak acid is
A. weak
B. strong
C. moderately weak
D. unstable
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Solution having the property of a very little change in pH on adding a small amount of strong acid or base is called
A. buffer solution
B. normal solution
C. standard solution
D. neutral solution
Which of the following is a buffer solution?
A. brine
B. blood
C. glue
D. solution of CuSO4
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Equilibrium state is achieved quickly by the addition of
A. reactants
B. acid
C. base
D. catalyst
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