The freezing point of a solution containing 0.2g of acetic acid in 20.0 g of benzene is lowered by `0.45^@C`. Calculate the degree of association of acetic acid in benzene.
`(K_f for benzene= 5.12 K mol^-1 kg)`

The freezing point of solution containing 0.2 g of acetic acid in 20.0 g of benzene is lowered by 0.45^(@)C . Calculate the degree of association of acetic acid in benzene. (K_(f)=5.12 K^(@) mol^(-1) kg^(-1))

Phenol associates in benzene to form a dimer (C_6H_5OH)_2 . The freezing point of a soluton contianing 5 g of phenol in 250 g of benzene is lowerd by 0.70^@C . Calculate the degree of association of phenol in benzene. (K_f for benzene=5.12 Km^-1)

The freezing point of a solution containing 0.3 g of acetic acid in 30.0 g of benzene is lowered by 0.45^@ . Calculate the Van's Hoff factor. (K_f for benzene=5.12K kg mol^-1) .

The boiling point of a solution containing 1.5 g of a dichlorobenzene in 100 g of benzene was higher by 0.268^@C . Calculate the molar mass of dichlorobenzene (K_b for benzene=2.62 degree molal^(-1)) .

The freezing point of a solution containing 0.1g of K_3[Fe(CN)_6] in 100 g of water. (K_f=1.86 K kg mol^-1) is

phenol associates in benzene to a certain extent in dimerisation reaction. A solution containing 0.02 kg of phenol in 1.0 kg of benzene has its freezing point depressed 0.69 k. Hence, the degree of association of phenol demerized will be, [ K_(f)(C_(6)H_(6)) =5.12 k "mol"^(-1) ] a) 0.63 b) 0.73 c) 0.83 d) 0.93

One molal solution of a carboxylic acid in benzene shows the elevation of boiling point of 1.518 K. The degree of association for simerization of the acid in benzene is ( K_(b) for beznene = 2.53 K kg mol^(-1) ):

Calculate molality of 2.5 g of ethanoic acid (CH_3COOH) in 75g benzene.

A solution containing 12.5 g of a non- electrolyte substance in 175 g of water gave boiling point elevation of 0.70 K. Calculate the molar mass of the substance ( K_b for water = 0.52 K kg mol^(-) ).