The conductivity of 0.20 M solution of KCl at 298 K is 0.025 Scm^-1. Calculate its molar conductivity.

What are three types of RNA molecules which perform different functions?

18 g of glucose, C₆H₁₂O₆ (Molar mass = 180 g mol^-1) is dissolved in 1 kg of water in a sauce pan. At what temperature will this solution boil? (K_b for water =0.52 K kg mol^-1, boiling point of pure water =373.15K)

Write the dispersed phase and dispersion medium of the following colloidal systems:

(i) Smoke

(ii) Milk

OR

What are lyophilic and lyophobic colloids? Which of these sols can be easily coagulated on the addition of small amounts of electrolytes?

Write the differences between physisorption and chemisorption with respect to the following:

(i) Specificity

(ii) Temperature dependence

(iii) Reversibility and

(iv) Enthalpy change