Q. No.
Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
From NCERT
NEET - 2024
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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. | \(\small\mathrm{{\left({CH}_3\right)_2 {C}={O}+{CO}_2+\mathrm{H}_2 {O} }}\) |
| 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 |
74%
From NCERT
NEET - 2024
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Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
69%
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: 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 |
Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
81%
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. \( \mathrm{{R}_1={H} ;~ {R}_2={H} ;~ {R}_3={H}} \)
2. \( \mathrm{{R}_1={CH}_3 ;~ {R}_2={CH}_3 ;~ {R}_3={CH}_3} \)
3. \( \mathrm{{R}_1={CH}_3 ;~ {R}_2={H} ;~ {R}_3={H}}\)
4. \(\mathrm{{R}_1={CH}_3 ;~ {R}_2={CH}_3 ;~ {R}_3={H}}\)
is, when:
1. \( \mathrm{{R}_1={H} ;~ {R}_2={H} ;~ {R}_3={H}} \)
2. \( \mathrm{{R}_1={CH}_3 ;~ {R}_2={CH}_3 ;~ {R}_3={CH}_3} \)
3. \( \mathrm{{R}_1={CH}_3 ;~ {R}_2={H} ;~ {R}_3={H}}\)
4. \(\mathrm{{R}_1={CH}_3 ;~ {R}_2={CH}_3 ;~ {R}_3={H}}\)
Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
76%
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: Alkanes, Alkenes and Alkynes - Chemical Properties |
73%
From NCERT
NEET - 2022
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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: Alkanes, Alkenes and Alkynes - Chemical Properties |
61%
From NCERT
NEET - 2022
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Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
85%
From NCERT
NEET - 2020
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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: Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism | Alkanes, Alkenes and Alkynes - Chemical Properties |
77%
From NCERT
NEET - 2020
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