Multiple Choice QuestionsThe function of Fe(OH)3 in the contact process is :
to remove arsenic impurity
to detect colloidal impurity
to detect colloidal impurity
to remove dust particles
Consider the following statements :
I. Increase in concentration of reactant increases the rate of a zero order reaction
II. Rate constant k is equal to collision frequency A , if Ea =0
III. Rate constant k is equal to collision
frequency A , if Ea = ∞
IV. ln k vs T is a straight line
V. ln k vs 1/T is a straight line
Correct statements are :
I and IV
II and V
III and IV
II and III
Which of the following isomeric heptanes can yield seven different monochlorinated products upon free radical chlorination?
3-methyl hexane
2, 2-dimethyl pentane
2-methyl hexane
2, 3-dimethyl pentane
The compound which is not formed during the dry distillation of a mixture of calcium formate and calcium acetate is :
methanal
propanal
propanone
ethanal
Arrange the following in the increasing order of their basic strengths :
CH3NH2 , (CH3)2NH , (CH3)3N , NH3
NH3 < (CH3)3N < (CH3)2NH < CH3NH2
NH3 < (CH3)3N < CH3NH2 < (CH3)2NH
(CH3)3N < NH3 < CH3NH2 < (CH3)2NH
CH3NH2 < (CH3)2NH < (CH3)3N < NH3
What is the correct order of acidity from weakest to strongest acid for these compounds :
I < IV < III < II
III < IV < III < II
IV < I < III < II
II < III < I < IV
The correct order of reactivity of the three halides ethyl chloride (I), iso-propyl chloride (II) and benzyl chloride (III) in SN1 reaction is :
I > II > III
III > II >I
II > I > III
I > III > II
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