Which one of the following compounds does not decolourize bromine water? 
1. 2.
3. 4.
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 69%
From NCERT
NEET - 2025
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Predict the major product \('P'\) in the following sequence of reactions - 
1.
2.
3. 4.
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 61%
From NCERT
NEET - 2025
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For the given reaction: 

'P' is:
1. 2.
3. 4.
Subtopic:  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. \(\small\mathrm{{\left({CH}_3\right)_2 {C}={O}+{CO}_2+\mathrm{H}_2 {O} }}\)
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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The major product P formed in the following reaction sequence is:
1. 2.
3. 4.
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 69%
From NCERT
NEET - 2024
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Given below are two statements:
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 |
 80%
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. \(\mathrm{{R}_1={CH}_3 ;~ {R}_2={CH}_3 ;~ {R}_3={H}}\)
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 
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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