1.

Two solutions of X and Y electrolytes are taken in two beakers and diluted by adding 500mL of water. Lambda_m of X increases by 1.5 times while that of Y increases by 20 times, what could be the eletrolytes X and Y?

Answer»

X `to` NACL , Y `to` KCl
X `to` NaCl , Y `to CH_3COOH`
X `to` KOH, Y `to` NaOH
X `to CH_3COOH` , Y `to` NaCl

Solution :Electrolyte X is STRONGELECTROLYTE as on dilution the number of ions REMAIN same , only interionic ATTRACTION decreases and hence not much INCREASE in `Lambda_m` is seen . While `Lambda_m` for a week electrolyte increases significantly


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