Fill in the blanks by choosing the appropriate word / words from those given in the brackets:   

(zero, first, second, increased, decreased, anode, cathode, active, inactive, potassium cyanide, internal, external, dependent, independent, red, benzoic acid, benzoin, common ion effect, salt hydrolysis, alkali, potassium hydroxide.)

(i) In a galvanic cell, electrons flow from________to_________through the connecting wires.

(ii) Racemic mixtures are optically-because of________compensation.

(iii) Half life period of a _________order reaction is-of the concentration of the reactant.

(iv) Benzaldehyde when treated with an alcoholic solution of__________forms___________.

(v) Solubility of calcium oxalate is _________in the presence of ammonium oxalate because of________.

Complete the following statements by selecting the correct alternative from the choices given:   
The compound which is optically active is:

• I-butanol

• 2-butanol

•  1-propanol

• 2-methyl-I-propanol

Complete the following statements by selecting the correct alternative from the choices given:   
The salt which will not hydrolyse in aqueous solution is:

• Copper sulphate

• Sodium sulphate

• Potassium cyanide

• Sodium carbonate

Copper has the face centred cubic structure. The coordination number of each ion is:

• 4

• 12

• 14

• 8

Complete the following statements by selecting the correct alternative from the choices given:  
For the reaction 2S0₂ + 0₂ --->  2S0₃ the unit of equilibrium constant is

• L mol^-1 

• J mol^-1

• mol L^-1

• [Lmol^-1]²