How many structural isomers of primary alcohols can be formed with the given molecular formula \(\text{C}_5\text{H}_{11}\text{OH}\)?
1. | 5 | 2. | 4 |
3. | 2 | 4. | 3 |
The solubility of phenol in water is lower. This can be attributed to:
1. Non-polar nature of phenol
2. Acidic nature of -OH group
3. Non-polar hydrocarbon part in phenol
4. None of the above
The decreasing order of boiling points of \(1^\circ\), \(2^\circ\), and \(3^\circ\) alcohol is-
1. \(1^\circ\)> \(2^\circ\)> \(3^\circ\)
2. \(3^\circ\)> \(2^\circ\)> \(1^\circ\)
3. \(2^\circ\) > \(1^\circ\) > \(3^\circ\)
4. None of the above
The boiling points of thio-ethers are .... than those of ether.
1. lesser
2. equal
3. higher
4. none of these
The most effective reagent used to converts but-2-enal to but-2-enol is-
1. KMnO4
2. NaBH4
3. H2/Pt
4. K2Cr2O7/H2SO4
23g of sodium react with CH3OH to give-
1. 1 mole of O2
2. 1/2 mole of H2
3. 1 mole of H2
4. None of the above
Th compound that will not form a yellow precipitate on heating with an alkaline solution of iodine is :
1. CH3CH(OH)CH3
2. CH3CH2CH(OH)CH3
3. CH3OH
4. CH3CH2OH
Phenol and benzoic acid can be distinguished by:
1. Aqueous NaHCO3
2. Aqueous NaNO3
3. Aqueous NaOH
4. Conc. H2SO4
Glycerol on oxidation with conc HNO3 gives:
1. tartronic acid
2. mesoxalic acid
3. oxalic acid
4. glyceric acid
Ethyl Chloride is converted into diethyl ether by-
1. Wurtz synthesis
2. Grignard reaction
3. Perkin's reaction
4. Williamson's synthesis