Q4 of 37 Page 1

Write the structure of 3-Bromo-2-chlorobut-1-ene.

but – 1-ene means the 1 position of butene has double bond.

2-chloro means there is chlorine at position 2, and similarly bromine at position 3.



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Define the following

(i) Cationic detergents


(ii) Narrow spectrum antibiotics


(iii) Disinfectants

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What is the effect of catalyst on :

(i) Gibbs energy (ΔG) and


(ii) activation energy of a reaction?

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Write the reactions involved in the following reactions :

(i) Clemmensen reduction


(ii) Cannizzaro reaction

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Define the following terms :

(i) Abnormal molar mass


(ii) van’t Hoff factor – (i)