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Q. No.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%
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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
1. 2-Methylbutane
2. n-Pentane
3. Neopentane
4. All of the above
Subtopic: Chemical Properties |
56%
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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%
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NEET - 2022
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Subtopic: Chemical Properties |
80%
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NEET - 2022
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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 |
62%
From NCERT
NEET - 2022
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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%
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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%
From NCERT
NEET - 2022
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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%
From NCERT
NEET - 2022
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Subtopic: Chemical Properties |
80%
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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%
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