Which is the most suitable reagent among the following to distinguish compound (III) from rest of the compounds?
I. CH3-C≡C-CH3
II. CH3-CH2-CH2-CH3
III. CH3-CH2-C≡CH
IV. CH3-CH=CH2
1. | Br2/CCl4 | 2. | Br2/CH3COOH |
3. | Alk.KMnO4 | 4. | Ammoniacal AgNO3 |
The reaction,
C6H6 + CH3ClAnhydrous→AlCl3C6H5CH3 + HCl
is an example of:
1. Friedel-Crafts reaction
2. Kolbe's synthesis
3. Wurtz's reaction
4. Grignard synthesis
What product(s) will be obtained from the ozonolysis of the compound shown below?
1. | ![]() |
2. | ![]() |
3. | ![]() |
4. | None of the above |
2-Methylpropene and But-1-ene can be distinguished by:
1. Baeyer's reagent
2. Ammoniacal AgNO3
3. Br2 solution
4. O3, Zn/H2O
An octane number 100 is given to:
1. n-hexane
2. Iso-octane
3. neo-pentane
4. neo-octane
Which of the following molecules/species are aromatic in character?
A B C D
1. B
2. C
3. D
4. A
Xylene, on oxidation with acidic KMnO4, gives:
1. | Phthalic acid | 2. | Isophthalic acid |
3. | Terephthalic acid | 4. | All of the above |
Nitration of benzene is:
1. nucleophilic substitution
2. electrophilic substitution
3. electrophilic addition
4. nucleophilic addition
Which of the following compounds has the lowest boiling point?
1. CH3CH2CH2CH2CH3
2. CH3CH=CH-CH2CH3
3. CH3CH=CH-CH=CH2
4. CH3CH2CH2CH3
1-butyne on reaction with hot alkaline KMnO4 gives:
1. CH3CH2CH2COOH
2. CH3CH2COOH + CO2
3. CH3CH2COOH
4. CH3CH2COOH + HCOOH