3
MCQ (Single Correct Answer)
The increasing order of reduction of alkyl halides with zinc and dilute HCl is
A
$R-\mathrm{Cl}<\mathrm{R}-\mathrm{I}<\mathrm{R}-\mathrm{Br}$
B
$\mathrm{R}-\mathrm{Cl}<\mathrm{R}-\mathrm{Br}<\mathrm{R}-\mathrm{I}$
C
$R-\mathrm{I}< R-\mathrm{Br}< R-\mathrm{Cl}$
D
$R-\mathrm{Br}< R-\mathrm{I}< \mathrm{R}-\mathrm{Cl}$
4
MCQ (Single Correct Answer)
The correct IUPAC name of the following alkane is
A
3,6-diethyl-2-methyloctane
B
5-isopropyl-3-ethyloctane
C
3-ethyl-5-isopropyloctane
D
3-isopropyl-6-ethyloctane
5
MCQ (Single Correct Answer)
The addition of HBr to 1-butene gives a mixture of products $A, B$ and $C$.
The mixture consists of
A
$A$ and $B$ as major and $C$ as minor products
B
$B$ as major, $A$ and $C$ as minor products
C
$B$ as minor, $A$ and $C$ as major products
D
$A$ and $B$ as minor and $C$ as major products
6
MCQ (Single Correct Answer)
Which of the following will not show geometrical isomerism?
A
B
C
D
7
MCQ (Single Correct Answer)
Arrange the following hydrogen halides in order of their decreasing reactivity with propene.
A
$\mathrm{HCl}>\mathrm{HBr}>\mathrm{HI}$
B
$\mathrm{HBr}>\mathrm{HI}>\mathrm{HCl}$
C
$\mathrm{HI}>\mathrm{HBr}>\mathrm{HCl}$
D
$\mathrm{HCl}>\mathrm{HI}>\mathrm{HBr}$