Ether and benzene can be separated by:-
1. Filtration
2. Distillation
3. Crystallization
4. Sublimation
Primary alcohols can be obtained from the reaction of the RMgX with:
1. HCHO
2. H2O
3. CO2
4. CH3CHO
Consider the following reaction,
Ethanol XYZ
product Z is:
1. CH2=CH2
2. CH3CH2OCH2CH3
3. CH3CH2OSO3H
4. CH3CH2OH
Glycol condenses with ketones to give:
1. Cyclic acetals
2. Cyclic ketals
3. Acetaldehyde
4. oxalic acid
Given is a reaction for your reference:
\(CH_3CH_2CH_2OH \xrightarrow[160\ - \ 180 ^\circ C]{Conc.\ H_2SO_4}\ X\ \xrightarrow{Br_2}\ Y\)
\( Y\ \xrightarrow[2.\ NaNH_2]{1.\ Alc.\ KOH}\ Z\)
The final product Z is:
1. | 2. | ||
3. | 4. | \(CH_3-C\equiv CH\) |
Ethyl propanoate on reduction with LiAlH4 yields:
1. Methanol
2. Ethanol and Propanol
3. Propane
4. Mixture of ethanol and methanol
Phenol does not react with:
1. Na2CO3
2. NaOH
3. NaHCO3
4. KOH
The most acidic alcohol among the following is -
1. Methanol
2. Ethanol
3. Isopropyl alcohol
4. t-Butyl alcohol
An alcohol that give CH3COOH and CH3CH2COOH upon oxidation is:
1. CH3CH2CH2OH
2. (CH3)2C(OH)CH2CH3
3. CH3(CH2)2CHOH
4. CH3CH(OH)CH2CH2CH3
A compound X with molecular formula C3H8O can be oxidised to a compound Y with the molecular formula C3H6O2. X is most likely to be:
1. Primary alcohol
2. Secondary alcohol
3. Aldehyde
4. Ketone