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 Match the structures given in Column-I with the IUPAC names in Column-II.

Column-I (Structure) Column-II  (IUPAC Name)
A. (i) 4-Bromopent-2-ene
B. (ii) 4-Bromo-3-methylpent-2-ene
C. (iii) 1-Bromobut-2-ene
D. (iv) 1-Bromo-2-methylpent-2-ene

Codes:

A B C D
1. (ii) (iii) (iv) (i)
2. (i) (ii) (iii) (iv)
3. (i) (iv) (iii) (ii)
4. (iv) (i) (iii) (ii)

Subtopic:  Introduction and Physical Properties |
 89%
Level 1: 80%+
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The correct match of column I (Reactions) with column II (Name of reactions) is:

Column I Column II
A. 1. Fittig reaction
B. 2. Wurtz-Fittig reaction
C. 3. Finkelstein reaction
D. 4. Sandmeyer reaction

Codes:

A B C D
1. 2 1 4 3
2. 3 1 4 2
3. 1 4 3 2
4. 4 1 3 2
Subtopic:  Chemical Properties |
 92%
Level 1: 80%+
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Consider the given two statements:

Assertion (A): KCN reacts with methyl chloride to give methyl isocyanide.
Reason (R): \(CN^-\) is an ambident nucleophile.
Select the correct option:
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
Subtopic:  Chemical Properties |
 75%
Level 2: 60%+
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Match the structures of compounds given in Column I with the classes of compounds given in Column II.

Column I Column II
A.   1. Aryl halide
B.   2. Alkyl halide
C.   3. Vinyl halide
D. 4. Allylic halide

Codes:

A B C D
1. 2 4 1 3
2. 3 4 1 2
3. 1 4 3 2
4. 4 1 3 2
Subtopic:  Introduction and Physical Properties |
 85%
Level 1: 80%+
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Match the items in Column I and Column II.

Column l Column ll
A. SN1 reaction 1. Vic-dibromide
B. Elimination of HX from an alkyl halide 2. Chlorobromocarbons
C. Bromination  of alkenes  3. Racemisation
D. Chemicals in fire extinguisher 4. Saytzeff rule 

Codes:

A B C D
1. 2 3 4 1
2. 3 4 1 2
3. 1 4 3 2
4. 4 1 3 2
Subtopic:  Chemical Properties |
 87%
Level 1: 80%+
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Arrange the compounds in increasing order of rate of reaction towards nucleophilic substitution.

 

1.  (i) < (ii) < (iii) 

2.  (ii) < (i) < (iii) 

3.  (iii) < (ii) < (i) 

4.  (i) < (iii) < (ii) 

Subtopic:  Haloarenes: Directive Influence of Halogen |
 83%
Level 1: 80%+
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Product ‘A’ in the following reaction is:

1. 2.
3. 4.
Subtopic:  Chemical Properties |
 55%
Level 3: 35%-60%
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Compound(s) among the following with an asterisk (*) asymmetric carbon is/are:

1.  (a), (b), (c), (d)
2.  (a), (b), (c)
3.  (b), (c), (d)
4.  (a), (c), (d)

Subtopic:  Isomerism & Chirality |
 84%
Level 1: 80%+
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The most suitable reagent for the following conversion is:

\(\begin{align} CH_3CH_2CH_2CH_3 \rightarrow\ & CH_3CH_2CH_2CH_2Cl\ +\ \\ & CH_3CH_2CHClCH_3\end{align} \)

1. Cl2/UV light

2. NaCl + H2SO4

3. Cl2 gas in dark

4. Cl2 gas in the presence of iron in dark

Subtopic:  Chemical Properties |
 83%
Level 1: 80%+
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A compound that does not undergo SN1 reaction with OH- is:

1. 2.
3. 4.
 

Subtopic:  Chemical Properties |
 52%
Level 3: 35%-60%
NEET - 2020
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