Notes, Exercises, Videos, Tests and Things to Remember on Alcohol
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Alcohol is defined as an organic compound containing the hydroxyl group (-OH) attached to a saturated carbon atom or a hydrocarbon radical.
Methyl alcohol is the 1st member of monohybrid alcohol. It is prepared in the industrial scale from methane obtained from natural gas.
The following are the uses of ethanol:
i. It is used as solvent for paints, varnishes, fats, oil, etc.
ii. It is used in making dyes, drugs, perfumes and synthetic fibers.
iii. It is used in alcoholic drinks.
iv. It is used in preparation of organic compounds like ether, chloroform and iodoform.
v. It is used in low temperature thermometer.
vi. It is used as an antiseptic to sterilize wounds and syringes in hospitals and dispensaries.
Alcohol is formed from the hydrocarbon when its hydrogen atom is replaced by hydroxyl radical. The hydroxyl derivates of the hydrocarbon are called alcohols.
The two chemical properties of alcohol are as follows:
1) Alcohol burns with blue flame generating a lot of heat.
2) Alcohol react with sodium or potassium to form ethoxide.
Ethyl alcohol and Glycol have two carbon atoms.
In the presence of an enzyme- zymase, the glucose breaks down into ethyl alcohol and carbondioxide.
The valency of copper is ______.
2 and 3
1 and 3
1 and 2
2 and 3
The molecular formula of ______ is C2H6O?
The molecular formula for methyl alcohol is ______.
Which is used as a preservative for biological specimens?
none of above
both ethyl and methyl alcohol