Q8 of 55 Page 1

Name the two components of α-glucose which constitute starch.

Amylose and amylopectin


Explanation: amylose and amylopectin both are polymers of D-glucose where the former one is straight linked with α 1,4-glycosidic linkage while the other one is a branched structure linked with α 1,6-glycosidic bond.


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6

Write the IUPAC name of the following compound:


 7

Which of the two is more basic and why?


 9

A solution of is electrolysed between platinum electrodes using a current of 5.0 Ampere, for 20 minutes. What mass of Nickel will be deposited at the cathode?

(Given At mass of Ni = 58.7 g/mol, 1 F = 96500 C/mol)


 10

Define half-life of a reaction. Write the expression of half-life for

a) Zero order reaction and


b) First order reaction