Q16 of 35 Page 1

Name the promoter used in the Haber’s process for the manufacture of ammonia.

Name the promoter used in the Haber’s process for the manufacture of ammonia.


Promoter: A substance, if present along with the catalyst, enhances the activity of the catalyst, it is caleed a catalytic promoter.


Molybdenum acts a promoter for iron catalyst in the manufacture of ammonia by Haber’s process.


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16

Write the expression for Freundlich’s equation to describe the behaviour of adsorption from solution.

 16

What causes charge on sol particles?

 17

An organic aromatic compound ‘A’ with the molecular formula C6H7N is sparingly soluble in water. ‘A’ on treatment with dil HCI gives a water soluble compound ‘B’. ‘A’ also reacts with chloroform in presence of alcoholic KOH to form an obnoxious smelling compound ‘C’. ‘A’ reacts with benzene sulphonyl chloride to form an alkali soluble compound ‘D’.’A’ reacts with NaNO2 and HCl to form a compound ‘E’ which on reaction with phenol forms an orange red dye ‘F’. Elucidate the structures of the organic compounds from ‘A’ to ‘F’.

 18

(i) Which vitamin deficiency causes rickets?

(ii) Name the base that is found in nucleotide of RNA only.


(iii) Glucose on reaction with acetic acid gives glucose penta acetate. What does it suggest about the structure of glucose?