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प्रश्न
One of the following substances is not added to make denatured alcohol. This is:
(a) methyl alcohol
(b) copper sulphate
(c) chloroform
(d) pyridine
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उत्तर
chloroform
Chloroform is not an ingredient for manufacturing denatured alcohol. For denaturation of alcohol, methyl alcohol, copper sulphate and pyridine are used.
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संबंधित प्रश्न
Identify the term/substance in the following:
The catalyst used in the conversion of ethyne to ethane.
The catalyst used in the contact process is
(A) Copper
(B) Iron
(C) Vanadium pentoxide
(D) Manganese dioxide
Fill in the following blank with suitable word:
The next homologue of C2H5OH is ...............
Fill in the following blank with suitable word:
The next higher homologue of ethane is ...............
What happens when (give chemical equation):
Sodium reacts with ethanol (ethyl alcohol)
Explain why, methanol is much more dangerous to drink than ethanol.
What happens when ethanol is oxidised with alkaline potassium permanganate (or acidified potassium dichromate)? Write the equation of the reaction involved.
Identify the functional group of the CH3OH ?
Identify the functional group of the HCHO ?
How will you bring about following conversions:
(a) Methane to methanol
(b) Ethane to ethanol (acetaldehyde)
(c) Methane to methanoic acid
Ethanol can be converted to ethene which can be changed to ethane.
Choose the correct word or phrase from the options given below to complete the following sentences:
Converting ethanol to ethene requires the use of_________(Concentrated hydrochloric acid, concentrated nitric cid, concentrated sulphuric acid).
The organic compound obtained as the end product of the fermentation of a sugar solution is ______.
At room temperature ethanol is _______.
Generally _______ is called spirit.
Rectified spirit is an aqueous solution that contains about ______ of ethanol.
How is ethene prepared from ethanol? Give the reaction involved in it.
A gas is evolved when ethanol reacts with sodium. Name the gas evolved and also write the balanced chemical equation of the reaction involved.
______ react with dil. HNO3 to evolve hydrogen gas.
Give the balanced chemical equation of the following reaction:
Combustion of ethanol
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
