The general molecular formula, which represents the homologous series of alkanols is
1. CnH2nO2
2. CnH2nO
3. CnH2n+1O
4. CnH2n+2O
. This reduction cannot be done by:
1.
2. Na + alcohol
3.
4. All of the above
Which of the following reaction is used for preparation of glycol industrially?
1.
2.
3.
4. none of the above
How many primary alcohol isomers can be formed with the 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