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Which of the following compund is oxidised to prepare methyl ethyl ketone?
(c) CH3CH2CH(OH)CH3 CH3CH2COCH3
Ethers are not distilled to dryness for fear of explosion. This is due to formation of:
Peroxides decompose violently on heating.
Absolute alcohol contains:
(d) Absolute alcohol is 100% alcohol.
Dialkyl sulphides are known as:
(c) R-S-R or R-SR' are thioethers.
Diethyl ether absorbs oxygen to form:
Diethyl ether absorbs oxygen from the air to form an unstable and highly explosive compound called ether peroxide. It is a colorless oily liquid and is an important industrial hazard.
Fenton's reagent is:
A mixture of H2O2 + FeSO4 is called Fenton's reagent used as oxidant.
Propan-1-ol may be prepared by reaction of propene with
(c) Hydroboration-oxidation reaction
6CH3CH=CH2 2(CH3CH2CH2)3B
Tri-n-propyl borane
H2O2/OH-
6CH3CH2CH2OH
Power alcohol is a mixture of petrol and alcohol in the ratio:
Power alcohol is used to generate power.
The formula for allyl alcohol is:
(b) -OH gp. is on allyl gp. (CH2=CH-CH2-)
The -OH group of an alcohol or the -COOH group of a carboxylic acid on can be replaced by -Cl using
(a) The -OH group of alcohol or the -COOH group of a carboxylic acid is replaced by -Cl using phosphorus pentachloride (i.e PCl5)
ROH + PCl5RCl + POCl3 + HCl
Alcohol
RCOOH + PCl5RCOCl + POCl3 + HCl
Acid
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