Physical Chemistry MCQ with Answers

Physical Chemistry MCQ with Answers

26) To dissolve 3.3 gm of certain metal in 110 mL of 1N H₂SO₄, find the equivalent mass of metal:

Answer is:

30 gm

27) What volume of 2N and 5N H₂SO₄ should be mixed so that the resultant solution of 1 L has N = 3?

Answer is:

0.75 mL

Explanation:

N₁V₁ = N₂V₂ = N₃V₃ (V₃ = V₁ + V₂)

28) 10 gm HCl is dissolved in 250 mL of its aqueous solution. If density of the solution is 1.2 gm⁄mL, then molality of the solution would be:

Answer is:

0.945

29) CH₃COOH exists as a dimer in benzene. 1.2 gm of the acid was dissolved and the volume was made upto 1 L by benzene. What is the formality?

Answer is:

0.01F

30) 1 molal aqueous solution of any solute will have mole fraction:

Answer is:

0.018

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