Select the correct option based on statements below:
Assertion (A): | Ether behave as bases in the presence of mineral acids. |
Reason (R): | It is due to the presence of lone pairs of electrons on the oxygen atom. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | Both (A) and (R) are false. |
The heating of phenylmethyl ether with HI produces-
1. Iodobenzene
2. Phenol
3. Benzene
4. Ethyl chloride
The most acidic compound among the following is:
1. | 2. | ||
3. | 4. |
Compound A, is found to react with NaOI (produced by reacting Y with NaOH) and yield a yellow precipitate with a characteristic smell. A and Y are respectively?
1. | |
2. | |
3. | |
4. |
The compound A on treatment with Na gives B, and with PCl5 gives C. B and C react together to give diethyl ether.
A, B and C are respectively:
1.
2.
3.
4.
The below-mentioned reaction can be classified as:
1. Alcohol formation reaction
2. Dehydration reaction
3. Williamson alcohol synthesis reaction
4. Williamson ether synthesis reaction
The reaction of phenol with chloroform in the presence of dilute sodium hydroxide finally introduces a functional group X. The X is:
1. -CH2Cl
2. -COOH
3. -CHCl2
4. -CHO
Among the following ethers, the one that will produce methyl alcohol on treatment with hot concentrated HI is:
1. | 2. | ||
3. | 4. |
Anisole is produced by which of the following set of reactants:
1. CH3CHO ; RMgX
2. C6H5OH ; NaOH ; CH3l
3. C6H5OH ; neutral FeCl3
4. C6H5 - CH3 ; CH3COCl ; AlCl3
Phenol on treatment with dil. HNO3 at room temperature gives-
1. | |
2. | |
3. | |
4. | All of the above |