Draw structure for the polymer used for manufacture of non-stick utensils.

Draw the structure of semicarbazone of cyclopentanone.

OR

Draw the structure of product formed when propanal is treated with zinc amalgam and concentrated hydrochloric acid.

Name a carbohydrate present in liver, muscles and brain.

Define conductivity and molar conductivity for the solution of an electrolyte. Why does the conductivity of solution decrease with dilution?

For a reaction, C₂H₄ (g) + H₂(g) → C₂H₆(g), rate = 5.5 10^-14 [C₂H₄].

(a) Write the unit of rate constant.

(b) Calculate its half-life (t_1/2).