Haloalkanes and Haloarenes Test 10

Result

Haloalkanes and Haloarenes Test 10

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Weekly Quiz Competition

Question 1
1 / -0

Only One Option Correct Type
Direction (Q. Nos. 1-9) This section contains 9 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE option is correct.
Q.
What is the major product of the reaction?

A
2-ethyl-1-pentanol

B
2-ethyl-1-butanol

C
3-pentanol

D
3-methyl1-1-pentanol

Solution
Question 2
1 / -0

Which are the products of the following sequence of reaction?

A
2-butanol and Mg(OH)Br

B
Butanol and Mg(OH)Br

C
2-butanol and MgHBr

D
Butane and Mg(OH) Br

Solution
Question 3
1 / -0

What is the product of the reaction shown?

A
4-nonene

B
nonane

C
4-bromononane

D
5-bromononane

Solution
Question 4
1 / -0

What set of reagents can be used to make octane from butyl chloride?

A
Li and then Culthen more butyl chloride

B
Li then H₂O then Cul

C
Zn + Conc. HCI

D
Ni + H₂

Solution
Question 5
1 / -0

Which of the following synthesis give 3-methyl-1 -hexanol?

A

B

C

D

Solution
Question 6
1 / -0

Q.
What is the product in the above reaction?

A

B

C

D

Solution
Question 7
1 / -0

Chlorinated hydrocarbon

A
are commonly used as the solvents and degreasing agent in industries

B
generally have low solubility in water

C
commonly have a chronic toxic effect including carcinogenesis

D
All of the above

Solution

All of these are true regarding chlorinated hydrocarbons.
Question 8
1 / -0

Which of the following alkyl halides cannot be converted into Grignard reagents?

A
CH₃I

B
C₆H₅Br

C
HOCH₂CH₂CH₂CI

D
CH₃OCH₂CH₂CH₂CI

Solution

Halides contain ing acidic hydrogen (here — OH) cannot be used in Grignard's synthesis as Grignard reagent consist of very basic carbanion (R^-).
Question 9
1 / -0

Which one is liquid at room temperature?

A
CH₃CI

B
C₂H₅CI

C
CH₃Br

D
C₂H₅Br

Solution

All others are gas at room temperature.
Question 10
1 / -0

Statement Type
Direction (Q. Nos. 10 and 11) This section is based on Statement I and Statement II. Select the correct answer from the codes given below.
Q.
Statement I : CH₃F is less polar than CH₃CI.
Statement II : F has greater electronegativity than Cl.

A
Both Statement I and Statement II are correct and Statement II is the correct explanation of Statement I

B
Both Statement I and Statement II are correct and Statement II is not the correct explanation of Statement I

C
Statement l is correct but Statement II is incorrect

D
Statement II is correct but Statement I is incorrect

Solution

Although F is more electronegative than Cl, CH₃F, is less polar. Dipole moment (μ) is defined as
μ = q.d
Due to smaller radius of F than Cl, q .d in CH₃CI is greater than in CH₃F although q is greater in CH₃F.
Question 11
1 / -0

Statement I : A tertiary halide (R₃CX) is very less likely to form Grignard’s reagent with Mg in THF.
Statement II : Tertiary carbanion are highly unstable, very less likely to be formed.

A
Both Statement I and Statement II are correct and Statement II is the correct explanation of Statement I

B
Both Statement I and Statement II are correct and Statement II is not the correct explanation of Statement I

C
Statement l is correct but Statement II is incorrect

D
Statement II is correct but Statement I is incorrect

Solution

Tertiary carbanion is very unstable, difficult to form.