Which of the following compounds has the highest melting point?
1.
2.
3.
4.
Which compound is expected to decolorize a cold, basic KMnO4 solution?
1. CH3– CH3
2. CH3CH2CH
3.
4.
Which of the following compounds will react with ammoniacal silver nitrate AgNO3?
1. | |
2. | |
3. | |
4. |
The correct order of acidity among the following is:
1. | \(\mathrm{CH \equiv CH > CH_3 - C \equiv CH }\) \(\mathrm{ > CH_2 = CH_2 > CH_3 - CH_3}\) |
2. | \(\mathrm{CH \equiv CH > CH_2 = CH_2 }\) \(\mathrm{ > CH_3 - C \equiv CH > CH_3 - CH_3}\) |
3. | \(\mathrm{CH_3 - CH_3 > CH_2 = CH_2 }\) \(\mathrm{ > CH_3 - C \equiv CH > CH \equiv CH }\) |
4. | \(\mathrm{ CH_2 = CH_2 > CH_3 - CH_3 }\) \(\mathrm{ > CH_3 - C \equiv CH > CH \equiv CH}\) |
undergoes Wurtz reaction to give-
1. | Propane + Ethane | 2. | Propane |
3. | Propane + Ethane + Butane | 4. | Propane + Butane |
The number of isomeric sodium salt of acid that will be required to obtain neopentane is-
1. 3
2. 1
3. 4
4. 6
The most probable mechanism for the above reaction is-
1. E1
2. E2
3.
4. elimination
The compound that will react most readily with gaseous bromine has the formula:
1. | \(\mathrm{C_3H_6}\) | 2. | \(\mathrm{C_2H_2}\) |
3. | \(\mathrm{C_4H_{10}}\) | 4. | \(\mathrm{C_2H_4}\) |
Hydrocarbon (A) reacts with bromine by substitution reaction to form an alkyl bromide B.
B undergoes the Wurtz reaction to give a gaseous hydrocarbon containing less than four carbon atoms.
The formula of (A) is:
1.
2.
3.
4.
The compound undergoes the following reactions
C
The product 'C' is-
1. m–Bromotoluene
2. o–Bromotoluene
3. 3–Bromo–2,4,6–trichlorotoluene
4. p–Bromotoluene