Haloalkanes and Haloarenes Test

Result

Haloalkanes and Haloarenes Test - 75

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Weekly Quiz Competition

Question 1
1 / -0

The major product of the elimination is

A

B
$$H_2C=CH_2$$

C
$$H_2C=CH-CH_3$$

D
none of these
Question 2
1 / -0

identify the optically active compound of the following

A

B

C

D
Question 3
1 / -0

If dichloromethane (DCM) and water $$ \left(\mathrm{H}_{2} \mathrm{O}\right) $$ are used for differential extraction, which one of the following statements is correct?

A
DCM and $$ \mathrm{H}_{2} \mathrm{O} $$ would stay as lower and upper layer respectively in the separating funnel (S.F.)

B
DCM and $$ \mathrm{H}_{2} \mathrm{O} $$ will be miscible clearly

C
$$ \mathrm{DCM} $$ and $$ \mathrm{H}_{2} \mathrm{O} $$ would stay as upper and lower layer respectively in the separating funnel (S.F.)

D
DCM and $$ \mathrm{H}_{2} \mathrm{O} $$ will make trubid/colloidal mixture
Question 4
1 / -0

Which is incorrect reactivity order towards nucleophilic reaction?

A

B

C

D

Solution
Question 5
1 / -0

A enantiomerically pure acid is treated with racemic mixture of an alcohol having one chiral carbon. The ester formed will be

A
optically active mixture

B
pure enantiomer

C
meso compound

D
racemic mixture

Solution
Question 6
1 / -0

statement I : Iodination of methane is carried out in presence of $${ HNO }_{ 3 }$$ or $${ HIO }_{ 3 }$$
statement II : $${ HNO }_{ 3 }$$ or $${ HIO }_{ 3 }$$ oxides HI to $${ I }_{ 2 }$$ to prevent backwards reactions.

A
Both statements are correct.

B
Both statements are incorrect.

C
statement - I is correct, statement - II is incorrect.

D
statement - I is incorrect, statement - II is correct.
Question 7
1 / -0

What is the IUPAC name of the given compound?

A
2,2 -dibromoethane

B
3,3 -dibromoethane

C
1,2 -dibromoethane

D
1,2- dibromopropane

Solution
Question 8
1 / -0

If isopropyl chloride and ethyl chloride both react with Na in presence of dry ether which alkanes will be obtained?

A
n-Butane

B
2-methyl butane

C
2, 3-Dimethyl butane

D
All of them

Solution
Question 9
1 / -0

Which if the following alkane is not produced when the mixture methyl chloride and ethyl chloride is subjected to wurtz reaction?

A
Ethane

B
Propane

C
n-butane

D
n-pentane

Solution
Question 10
1 / -0

The order of reactivity of alkyl halides in Wurtz reaction is

A
R-I >R-Br >R-Cl

B
R-I < R-Br < R-Cl

C
R-Br > R-I < R- Cl

D
R-I > R-Cl > R - Br