Question Details

Identify the correct statements:


A. The molality of 2.5 g of ethanoic acid (Molar mass = 60 g mol−1) in 75 g of benzene solution is 0.556 m.
B. The molarity of a solution containing 5 g of NaOH (Molar mass = 40 g mol−1) in 450 mL of solution is 0.278 M at 298K.

C. Aquatic species are more comfortable in cold water.
D. The solubility of gas increases with decrease in pressure.
E. For a binary mixture of A and B, the mole fraction of B will be xB=nA/nA+nB

Options

A

A and C only

B

A, B and C only

C

A, D and E only

D

A and B only

Show Answer

Correct Answer :

Option B

A, B and C only

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  • JEE
  • intermediate
  • 3 hours
  • chemistry, mathematics, physics
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  • JEE
  • intermediate
  • 3 hours
  • chemistry, mathematics, physics

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