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Q. No.The following reaction method
is not suitable for the preparation of the corresponding haloarene products, due to the high reactivity of halogen, when X is:
1. F
2. I
3. Cl
4. Br
Subtopic: Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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The alkane that can be oxidized to the corresponding alcohol by \(\mathrm{KMnO}_4\) as per the equation
is, when:
1. \( \mathrm{R}_1=\mathrm{H} ; \mathrm{R}_2=\mathrm{H} ; \mathrm{R}_3=\mathrm{H} \)
2. \( \mathrm{R}_1=\mathrm{CH}_3 ; \mathrm{R}_2=\mathrm{CH}_3 ; \mathrm{R}_3=\mathrm{CH}_3 \)
3. \( \mathrm{R}_1=\mathrm{CH}_3 ; \mathrm{R}_2=\mathrm{H} ; \mathrm{R}_3=\mathrm{H}\)
4. \(\mathrm{R}_1=\mathrm{CH}_3 ; \mathrm{R}_2=\mathrm{CH}_3 ; \mathrm{R}_3=\mathrm{H}\)
is, when:
1. \( \mathrm{R}_1=\mathrm{H} ; \mathrm{R}_2=\mathrm{H} ; \mathrm{R}_3=\mathrm{H} \)
2. \( \mathrm{R}_1=\mathrm{CH}_3 ; \mathrm{R}_2=\mathrm{CH}_3 ; \mathrm{R}_3=\mathrm{CH}_3 \)
3. \( \mathrm{R}_1=\mathrm{CH}_3 ; \mathrm{R}_2=\mathrm{H} ; \mathrm{R}_3=\mathrm{H}\)
4. \(\mathrm{R}_1=\mathrm{CH}_3 ; \mathrm{R}_2=\mathrm{CH}_3 ; \mathrm{R}_3=\mathrm{H}\)
Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
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Arrange the following compounds in increasing order of their solubilities in chloroform:
\(\mathrm{NaCl, CH_3 OH, cyclohexane, CH_3CN}\)
1. \(\mathrm{NaCl< CH_3CN<CH_3 OH<Cyclohexane}\)
2. \(\mathrm{CH_3 OH<CH_3CN<NaCl<Cyclohexane}\)
3. \(\mathrm{NaCl< CH_3 OH<CH_3CN<Cyclohexane}\)
4. \(\mathrm{Cyclohexane< CH_3CN<CH_3 OH<NaCl}\)
\(\mathrm{NaCl, CH_3 OH, cyclohexane, CH_3CN}\)
1. \(\mathrm{NaCl< CH_3CN<CH_3 OH<Cyclohexane}\)
2. \(\mathrm{CH_3 OH<CH_3CN<NaCl<Cyclohexane}\)
3. \(\mathrm{NaCl< CH_3 OH<CH_3CN<Cyclohexane}\)
4. \(\mathrm{Cyclohexane< CH_3CN<CH_3 OH<NaCl}\)
Subtopic: Aliphatic Hydrocarbon- Physical Properties |
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Subtopic: Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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Baeyer's reagent is:
1. Acidic potassium permanganate solution
2. Acidic potassium dichromate solution
3. Cold, dilute, aqueous solution of potassium permanganate
4. Hot, concentrated solution of potassium permanganate
1. Acidic potassium permanganate solution
2. Acidic potassium dichromate solution
3. Cold, dilute, aqueous solution of potassium permanganate
4. Hot, concentrated solution of potassium permanganate
Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
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Given below are two statements:
In the light of the above statements, choose the most appropriate answer from the options given below:
1. Statement I is correct but Statement II is incorrect
2. Statement I is incorrect but statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect
| Statement I : | Propene on treatment with diborane gives an addition product with the formula \(((CH_3)_2-CH)_3 -B\) |
| Statement II : | Oxidation of \(((CH_3)_2-CH)_3 -B\) with hydrogen peroxide in presence of \(NaOH\) gives propan-2-ol. |
1. Statement I is correct but Statement II is incorrect
2. Statement I is incorrect but statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect
Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
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Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
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Match List -I with List -II:
Choose the correct answer from the options given below:
1. A-II, B-IV, C-III, D-I
2. A-II, B-III, C-IV, D-I
3. A-II, B-III, C-I, D-IV
4. A-IV, B-I, C-III, D-II
| List-I (Reactions) |
List-II (Products) |
||
| A. |  |
I. | \(\small{\left(\mathrm{CH}_3\right)_2 \mathrm{C}=\mathrm{O}+\mathrm{CO}_2+\mathrm{H}_2 \mathrm{O} }\) |
| B. |  |
II. |  |
| C. |  |
III. |  |
| D. |  |
IV. | \(\left(\mathrm{CH}_3\right)_3 \mathrm{C}-\mathrm{OH} \) |
Choose the correct answer from the options given below:
1. A-II, B-IV, C-III, D-I
2. A-II, B-III, C-IV, D-I
3. A-II, B-III, C-I, D-IV
4. A-IV, B-I, C-III, D-II
Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
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Phenanthrene is an aromatic compound and follows Huckel's \((4 n+2) \pi\) electron rule. The value of \(n\) is:
1. 0
2. 1
3. 2
4. 3
1. 0
2. 1
3. 2
4. 3
Subtopic: Aromatic Hydrocarbons - Nomenclature, Isomerism & Huckel's Rule |
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Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
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