Consider the given reaction below:
Which of these is true regarding the reaction shown above?
1. | The configuration of the chiral carbon remains the same. |
2. | The configuration of the chiral carbon gets inverted |
3. | The compound formed as a product must be a dextro isomer |
4. | The reactant is optically inactive but the product is obtained as a levo isomer. |
The ease of dehydrohalogen of alkyl halide with alcoholic KOH is
1. 3º > 2º > 1º
2. 3º < 2º < 1º
3. 3º > 2º < 1º
4. 3º < 2º > 1º
Which of the following is formed by the thermal decomposition of the hydroxide of:
1.
2.
3.
4.
Read the following road map carefully
(1) Both the ethers obtained by the two routes have opposite but equal optical rotation.
(2) One of the ether is obtained as a racemic mixture.
(3) Step II & III both are SN2 reaction and both have inversion.
(4) Step II has inversion but step III has retention.
The products of hydrolysis of
(1) HOCH2CH2CH2CH2 CHO + CH3CHO
(2) HOCH2CH2CH2CH2OH + CH3CHO
(3) HOCH2CH2CH2CH2CHO + C2H5OH
(4) HOCH2CH2CH2CH2CH2OH + C2H5OH
Conversion of cyclohexene to cyclohexanol can be conveniently achieved by:
1. NaOH + H2O
2. Br2-H2O
3. Hydroboration, oxidation
4. Hydroboration hydrolysis