*Class: 12: Chemistry" "Worksheet" [2024-25]
1. What is Henary's law? Give one application of it.
2. State Raoult's law for a solution containing non-volatile Solute. what type of deviation from Raoult's law shown by a solution of chloroform and acetone and why?
3. Define azeotrope.
4. Define the following terms:
(i) Abnormal molar mass (ii) Van't Hoff factor(i)
5. State kohlrousch law of independent migration of ions, why does the conductivity of a solution decrease with solution?
6. Define; (i) Limiting molar conductivity (Am) (ii) Fuel cell
7. Calculate the emf of the following cell at 298K: Fe(s) | Fe2+ (0.001m) || H+ (0.01) + b (g) (1 bar) | Pt Given: E cell = +0.44V, Log2 = 0.3010, log3 = 0.4771]
8. State Faraday's first law of electrolysis. How much charge, in terms of Faraday, is required for the reduction of 1 mol Cu+2 to Cu. Also, Calculate emf of the following cell at 298K for: Mg(s)/Mg²+ (0.1M) || Cu²+(0.01)M/Cu(s) [E cell = +2.71, IF = 96500C)
9 . what is the effect of adding a catalyst on:
(ⅰ) Activation energy (Ea), and (ii) Gibbs energy (G) of a reaction?
10. what are pseudo uni-molecular reactions? Explain with example.
(ii) Define conductivity and describe the relation ship between conductivity and resistance.
ii) Complete the following reactions:
(ⅰ) Cr2O7 + Sn+++ H+ → (ii) MnO4 + Fe++ +- H+ →
No comments:
Post a Comment