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Q. No.The isomer of C5H12 that produces three isomeric monochloride products on photochemical chlorination is:
1. 2-Methylbutane
2. n-Pentane
3. Neopentane
4. All of the above
Subtopic: Chemical Properties |
56%
Level 3: 35%-60%
Hints
The correct structure of 4-tert-Butyl-3-iodoheptane among the following is:
| 1. |  |
2. |  |
| 3. |  |
4. | None of the above |
Subtopic: Introduction and Physical Properties |
78%
Level 2: 60%+
Hints
Identify the statement that is incorrect regarding chirality:
| 1. | A racemic mixture shows zero optical rotation |
| 2. | SN1 reaction yields a 1:1 mixture of both enantiomers |
| 3. | The product obtained by SN2 reaction of haloalkane having chirality at the reactive site shows the inversion of configuration |
| 4. | Enantiomers are superimposable mirror images on each other |
Subtopic: Chemical Properties |
77%
Level 2: 60%+
NEET - 2022
Hints
Subtopic: Chemical Properties |
80%
Level 1: 80%+
NEET - 2022
Hints
The product formed in the following reaction sequence is:
| 1. |  |
| 2. | \(CH_3-CH=CH-CH_3 \) |
| 3. | \(CH_3 -CH_2 -CH = CH_2 \) |
| 4. | \(CH_3 -CH_2 -CH_2 -CH_2 -OH \) |
Subtopic: Chemical Properties |
63%
Level 2: 60%+
NEET - 2022
Hints
Match List I with List II:
Choose the correct answer from the options given below:
| List I Reaction |
List II Type of reaction |
A.  |
I. Nucleophilic substitution |
B.  |
II. Saytzeff elimination |
C.  |
III. Electrophilic addition |
D.  |
IV. Electrophilic substitution |
Choose the correct answer from the options given below:
| (A) | (B) | (C) | (D) | |
| !. | (II) | (IV) | (III) | (I) |
| 2. | (IV) | (II) | (III) | (I) |
| 3. | (IV) | (II) | (I) | (III) |
| 4. | (II) | (IV) | (I) | (III) |
Subtopic: Chemical Properties |
83%
Level 1: 80%+
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Hints
Please attempt this question first.
Predict the order of reactivity of the following four isomers towards SN2 reaction.
(I) CH3CH2CH2CH2Cl
(II) CH3CH2CH(Cl)CH3
(III) (CH3)2CHCH2Cl
(IV) (CH3)3CCl
(I) CH3CH2CH2CH2Cl
(II) CH3CH2CH(Cl)CH3
(III) (CH3)2CHCH2Cl
(IV) (CH3)3CCl
| 1. | (IV) > (III) > (II) > (I) |
| 2. | (I) > (II) > (III) > (IV) |
| 3. | (I) > (III) > (II) > (IV) |
| 4. | (IV) > (II) > (III) > (I) |
Subtopic: Chemical Properties |
68%
Level 2: 60%+
NEET - 2022
Hints
Which of the following methods is incorrect for the synthesis of alkenes?
1. Treatment of alkynes with Na in liquid NH3
2. Heating alkyl halides with alcoholic KOH
3. Treating alkyl halides in aqueous KOH solution
4. Treating vicinal dihalides with Zn metal
1. Treatment of alkynes with Na in liquid NH3
2. Heating alkyl halides with alcoholic KOH
3. Treating alkyl halides in aqueous KOH solution
4. Treating vicinal dihalides with Zn metal
Subtopic: Chemical Properties |
78%
Level 2: 60%+
NEET - 2022
Hints
Subtopic: Chemical Properties |
79%
Level 2: 60%+
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Hints
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Match the organic compound given in Column I with their names in Column II. Select the correct option.
1. a=ii; b=iii; c=i; d=iv
2. a=iv; b=i; c=ii; d=iii
3. a=iv; b=iii; c=i; d=ii
4. a=ii; b=iv; c=i; d=iii
| Column I | Column II | |
| (a) CH2Cl2 | (i) | neo-Pentyl chloride |
| (b) (CH3)3CCH2Cl | (ii) | Ethylidene chloride |
| (c) CH3CHCl2 | (iii) | Ethylene dichloride |
(d)  |
(iv) | Methylene chloride |
2. a=iv; b=i; c=ii; d=iii
3. a=iv; b=iii; c=i; d=ii
4. a=ii; b=iv; c=i; d=iii
Subtopic: Introduction and Physical Properties |
91%
Level 1: 80%+
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