2.

Fill in the blanks choosing appropriate words given in brackets : 

[Olefenic, aldol, safety matches, sodium sulphite, homolytic, organometallic, aldol condensation, flowers of sulphur, pesticides, heterolytic, antiknock, β-hydroxy-aldehyde, rat poison, sulphur dioxide, free radicals, antichlor, mixed condensation, photography, sodium hydroxide, charged species].

(i) Red phosphorus is used in the manufacture of______and________.

(ii) Hypo is prepared by boiling________solution with_________in alkaline medium.

(iii) The breaking of covalent bonds may be either through_______or by________fission.

(iv) Acetaldehyde in presence of dilute alkali gives_______and the reaction is called______.

(v) TEL, an_______compound, is used as an________agent.

Complete the following statements by selecting the correct alternative from the choices given :

(i) A quantitative relationship between the temperature and rate constant of a reaction is given by

• Nernst equation  
• Arrhenius equation
• Van’t Hoff equation 
• Van’t Hoff equation 

Complete the following statements by selecting the correct alternative from the choices given :

In the reaction HOH + NH₃ ⇌ NH⁺₄ + OH^–, water acts as :

• Lewis acid
• Lewis base
• Both as Lewis acid and Lewis base
• Both as Lewis acid and Lewis base

Complete the following statements by selecting the correct alternative from the choices given :

The number of Faradays which will be required to reduce 4 gram equivalents of Cu²⁺ to Cu metal is :

• 1
• 2
• 3
• 3

Complete the following statements by selecting the correct alternative from the choices given :

Entropy is an example of:

• Intensive property
• Extensive property
• Colligative property
• Colligative property

Complete the following statements by selecting the correct alternative from the choices given :

Mac Arthur-Forrest process is used for the extraction of:

• Aluminium 
• Copper
• Silver 
• Silver 

Correct the following statements :

Molarity of a solution in independent of temperature.

Correct the following statements :

Radioactive disintegration is a second-order process.

Correct the following statements :

Linear overlap of two atomic p-orbitals leads to the formation of pi-bond.