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Q. No.The correct structure of 2-Chloro-3-methylpentane among the following is:
| 1. |  |
2. |  |
| 3. |  |
4. | None of the above |
Subtopic: Introduction and Physical Properties |
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Level 1: 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 |
90%
Level 1: 80%+
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The structure of major monohalo products in the following reaction is:
| 1. |  |
2. |  |
| 3. |  |
4. | None of the above |
Subtopic: Introduction and Physical Properties |
89%
Level 1: 80%+
Hints
Consider the following reaction.
\(CH_3-CH_2-CH=CH_2+HCl\longrightarrow A\)
The product A is:
1. 2-Chloropropane
2. 2-Chlorobutane
3. 1-Chlorobutane
4. 3-chloropropane
\(CH_3-CH_2-CH=CH_2+HCl\longrightarrow A\)
The product A is:
1. 2-Chloropropane
2. 2-Chlorobutane
3. 1-Chlorobutane
4. 3-chloropropane
Subtopic: Introduction and Physical Properties |
88%
Level 1: 80%+
Hints
Give below are two statement:
| Statement I: | \(\mathrm{C_2H_5OH}\) and \(\text{AgCN}\) both can generate nucleophile. |
| Statement II: | \(\text{KCN }\)and \(\text{AgCN}\) both will generate nitrile nucleophile with all reaction conditions. |
| 1. | Statement I is incorrect and Statement II is correct. |
| 2. | Both Statement I and Statement II are correct. |
| 3. | Both Statement I and Statement II are incorrect. |
| 4. | Statement I is correct and Statement II is incorrect. |
Subtopic: Introduction and Physical Properties |
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Level 2: 60%+
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Which of the following leads to the formation of an alkyl halide?
| 1. | \(\mathrm{C_2H_5OH\xrightarrow{\text{Red}~P+Br_2~}}\) |
| 2. | \(\mathrm{C_2H_5OH\xrightarrow{~~SOCl_2~~}}\) |
| 3. | \(\mathrm{C_2H_5OH\xrightarrow{~KBr~+~\text{Conc.}~H_2SO_4~}}\) |
| 4. | All of the above |
Subtopic: Introduction and Physical Properties |
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Which of the following is the most preferred method for preparing pure alkyl chlorides from alcohols?
1. \(\mathrm{{R}-{OH}+{HCl} \xrightarrow{{ZnCl}_2} {R}-{Cl}+{H}_2 {O}}\)
2. \(\mathrm{{R}-{OH}+{PCl}_5 → {R}-{Cl}+{POCl}_3+{HCl}}\)
3. \(\mathrm{{R}-{OH}+{SOCl}_2 → {R}-{Cl}+{SO}_2+{HCl}}\)
4. \(\mathrm{{R}-{OH}+{PCl}_3 → {R}-{Cl}+{H}_3 {PO}_3}\)
1. \(\mathrm{{R}-{OH}+{HCl} \xrightarrow{{ZnCl}_2} {R}-{Cl}+{H}_2 {O}}\)
2. \(\mathrm{{R}-{OH}+{PCl}_5 → {R}-{Cl}+{POCl}_3+{HCl}}\)
3. \(\mathrm{{R}-{OH}+{SOCl}_2 → {R}-{Cl}+{SO}_2+{HCl}}\)
4. \(\mathrm{{R}-{OH}+{PCl}_3 → {R}-{Cl}+{H}_3 {PO}_3}\)
Subtopic: Introduction and Physical Properties |
86%
Level 1: 80%+
NEET - 2024
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This reaction is
| 1. | Swarts reaction | 2. | Finkelstein reaction |
| 3. | Gattermann reaction | 4. | Sandmeyer's reaction |
Subtopic: Introduction and Physical Properties |
86%
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Arrange the following compounds in decreasing order of their boiling points.
(i) \(\mathrm{CH}_3 \mathrm{Br}\)
(ii) \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Br}\)
(iii) \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{Br}\)
(iv) \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{Br}\)
1. (i) > (ii) > (iii) > (iv)
2. (iv) > (iii) > (ii) > (i)
3. (i) > (iii) > (ii) > (iv)
4. (iii) > (iv) > (i) > (ii)
(i) \(\mathrm{CH}_3 \mathrm{Br}\)
(ii) \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Br}\)
(iii) \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{Br}\)
(iv) \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{Br}\)
1. (i) > (ii) > (iii) > (iv)
2. (iv) > (iii) > (ii) > (i)
3. (i) > (iii) > (ii) > (iv)
4. (iii) > (iv) > (i) > (ii)
Subtopic: Introduction and Physical Properties |
86%
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Subtopic: Introduction and Physical Properties |
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