By decreasing the pressure the reaction will go to that direction where_________________?
A. volume is decreased B. volume increased C. heat absorbed D. no. of moles of specie decreased
Chemistry MCQs
Equilibrium state is achieved quickly by the addition of ________________?
A. reactants B. acid C. base D. catalyst
Which one of the following is a buffer solution ?
A. brine B. blood C. glue D. solution of CuSO4
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
Conjugated base of a weak acid is_________________?
A. weak B. strong C. moderately weak D. unstable
Kc value has_______________?
A. No units B. Units C. Both A & B D. None
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
Which of following is not a base______________?
A. KOH B. NH3 C. PH3 D. BF3
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