Two percent iodine solution in alcohole-water mixture is calleld.

State whether the following statements are true or false. A dilute solution of ethanoic acid in water is called vinegar.

The vapour pressures fo pure liquids A and B are 450 mm Hg and 700 mm Hg respectively at 350K. If the total vapour pressure of the mixture of the two liquids at 350K is 600mm Hg, Calculate the more fractions of the two components in the solution. Also, calcuate the partial pressures of the two components in the vapour phase.

Explain what will happen to a plant cell if it is kept in a solution having higher water potential.

What role does the moelcular interaction play in a solution of alcohol and water.

Write balanced chemical eqautions and state symbols for the following reactions . Sodium hydroxide solution ( in water ) reacts with hydrochloric acid solution ( in water ) to produce sodium chloride solution and water.

Account for the following observations: Methylamine solution in water reacts with ferric chloride solution to give a precipitate of ferric hydroxide.

A solution containing 15g urea (molar mass = 60g/mol) per litre of solution in water is isotonic with the solution of glucose (molar masss 180g//mol ) in water calculate the mass of glucose present in one litre of its solution,.

Urea forms an ideal solution in water. Determine the vapour pressure of an aqueous solution containing 10% by mass of urea at 40^@C .[Vapour pressure of water at 40^@C = 55.3mm of Hg ]

Urea [NH_2)_2CO] forms an ideal solution in water. Calculate the vapour pressure of an aqueous solution containing 5% by mass of urea at 298K. At 298K, vapour pressure of water is 23.75 mm Hg.

How is it that the elevation in boiling points of the following solutions in water are different? 0.1 M NaCl solution 0.1 M Sugar solution.