Q. No.
Subtopic: Â Alkanes, Alkenes and Alkynes - Chemical Properties |
From NCERT
NEET - 2024
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Match List -I with List -II:
| List-I (Reactions) |
List-II (Products) |
||
| A. |  |
I. | \(\left(\mathrm{CH}_3\right)_2 \mathrm{C}=\mathrm{O}+\mathrm{CO}_2+\mathrm{H}_2 \mathrm{O}\) |
| B. |  |
II. |  |
| C. |  |
III. |  |
| D. |  |
IV. | \(\left(\mathrm{CH}_3\right)_3 \mathrm{C}-\mathrm{OH}\) |
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: Â Alkanes, Alkenes and Alkynes - Chemical Properties |
 71%
From NCERT
NEET - 2024
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Subtopic: Â Alkanes, Alkenes and Alkynes - Chemical Properties |
 66%
From NCERT
NEET - 2024
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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: Â Alkanes, Alkenes and Alkynes - Chemical Properties |
From NCERT
NEET - 2024
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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: Â Alkanes, Alkenes and Alkynes - Chemical Properties |
From NCERT
NEET - 2024
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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: Â Alkanes, Alkenes and Alkynes - Chemical Properties |
From NCERT
NEET - 2024
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Compound X on reaction with \(O_3\) followed by \(\mathrm{Zn/ H_2O}\) gives formaldehyde and 2-methyl propanal as products. The compound X is :
1. Pent-2-ene
2. 3-Methylbut-1-ene
3. 2-Methylbut-1-ene
4. 2-Methylbut-2-ene
1. Pent-2-ene
2. 3-Methylbut-1-ene
3. 2-Methylbut-1-ene
4. 2-Methylbut-2-ene
Subtopic: Â Alkanes, Alkenes and Alkynes - Chemical Properties |
 72%
From NCERT
NEET - 2022
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NEET 2025 - Target Batch
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NEET 2025 - Target Batch
The compound obtained by addition of water to an alkyne having more than two carbons, in the presence of \(\mathrm{HgSO_4 }\) and dilute \(\mathrm{H_2SO_4}\) at 333K, is:
| 1. | A vicinal diol | 2. | An aldehyde |
| 3. | An alcohol | 4. | A ketone |
Subtopic: Â Alkanes, Alkenes and Alkynes - Chemical Properties |
 59%
From NCERT
NEET - 2022
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NEET 2025 - Target Batch
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NEET 2025 - Target Batch
Subtopic: Â Alkanes, Alkenes and Alkynes - Chemical Properties |
 84%
From NCERT
NEET - 2020
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NEET 2025 - Target Batch
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NEET 2025 - Target Batch
Which of the following is a free radical substitution reaction?
1. Benzene with Br2/AlCl3
2. Acetylene with HBr
3. Methane with Br2/hv
4. Propene with HBr/(C6H5COO)2
Subtopic: Â Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |Â Alkanes, Alkenes and Alkynes - Chemical Properties |
 76%
From NCERT
NEET - 2020
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NEET 2025 - Target Batch
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NEET 2025 - Target Batch
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