Haloalkanes and Haloarenes Test

Result

Haloalkanes and Haloarenes Test - 72

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
1 / -0

$$C_6H_5CCL_5\xrightarrow[Fe]{Cl_2}X$$
In the above reaction X is

A

B

C

D
None of these

Solution
Question 2
1 / -0

The major product of the following reaction is :

A

B

C

D
Question 3
1 / -0

The major product of the following reaction is:
$$C_6H_5CH_2-\underset{\,\,\,Br}{\underset{|}{\overset{\,\,CH_3}{\overset{|}{C}}}}-CH_2-CH_3 \xrightarrow[C_2H_5OH]{C_2H_5ONa}$$

A
$$C_6H_5CH_2-\underset{\,\,\,\,\,\,\,OC_2H_5}{\underset{|}{\overset{\,\,\,\,\,CH_3}{\overset{|}{C}}}}-CH_2CH_3$$

B
$$C_6H_5CH=\underset{\,\,\,CH_3}{\underset{|}{C}}-CH_2CH_3$$

C
$$C_6H_5CH_2-\underset{\,\,\,CH_3}{\underset{|}{C}}=CHCH_3$$

D
$$C_6H_5CH_2-\underset{\,\,\,\,\,\,\,\,\,\,CH_2CH_3}{\underset{|}{C}}=CH_2$$

Solution
Question 4
1 / -0

IUPAC name of $$(CH_3)_3CCl$$ is:

A
$$1-butyl chloride $$

B
$$3-chloro butane$$

C
$$2-chloro-2-methylpropane$$

D
$$ 2-butyl chloride$$

Solution
Question 5
1 / -0

The general formula of alkyl halides is:

A
$${ C }_{ n }{ H }_{ 2n }X$$

B
$${ C }_{ n }{ H }_{ 2n+1 }{ X }$$

C
$${ C }_{ n }{ H }_{ 2n }{ X }_{ 2 }$$

D
$${ C }_{ n }{ H }_{ 2n-1 }{ X }$$
Question 6
1 / -0

Among the following in which compound $$Br$$ atom has the highest locant number during $$IUPAC$$ nomenclature:

A
Only $$(a)$$

B
Only $$(b)$$

C
Only $$(c)$$

D
Both $$(a)$$ and $$(c)$$
Question 7
1 / -0

What is the IUPAC name of the following compound?

A
2-Bromo 3- methylpent-3-ene

B
4-Bromo-3-methylpent-2-ene

C
3-Bromo-1,2,dimethylbut-1-ene

D
3-Bromo-3-methyl-1,2-dimethylprop-1-ene
Question 8
1 / -0

When $$Me_{3}C - O - CH_{3}$$ react with excess of $$HI$$ gives $$CH_{3}I$$ and $$Me_{3}CI$$. It follows the type of mechanism is:

A
Only $$S_{N}1$$

B
Only $$S_{N}2$$

C
$$S_{N}2$$ and $$S_{N}1$$

D
$$S_{N}1$$ and $$S_{N}2$$
Question 9
1 / -0

$$CH_{3}CH_{2}Cl\overset{NaCN}{\rightarrow}X\overset{Ni/H_{2}}{\rightarrow}Y\xrightarrow[anhydride]{Acetic}Z$$

Z in the above reaction sequence is

A
$$CH_{3}CH_{2}CH_{2}NHCOCH_{3}$$

B
$$CH_{3}CH_{2}CH_{2}NH_{2}$$

C
$$CH_{3}CH_{2}CH_{2}CONHCH_{3}$$

D
$$CH_{3}CH_{2}CH_{2}CONHCOCH_{3}$$

Solution

Hence option (A) is correct.
Question 10
1 / -0

Acetaldehyde undergoes aldol condensation giving $$\beta$$- hydroxyl carbonyl compound,which on dehydration in basic medium giving $$\alpha,\beta$$ unsaturated carbonyl compound,this dehydration in basic medium is an example for

A
$$E_1$$ elimination

B
$$E_2$$ elimination

C
$$E_1$$ cb elimination

D
$$E_1$$ or $$E_2$$