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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
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 functional group present in ethanol is ...............
Draw the structures for the following compounds:
Ethanal
Draw the structures for the following compound:
Butanal
When ethanol is heated with concentrated sulphuric acid at 170°C, it gets converted into ethene. In this reaction, concentrated sulphuric acid acts as:
(a) oxidising agent
(b) catalyst
(c) dehydrating agent
(d) reducing agent
An organic compound 'P' is a constituent of wine. 'P' on reacting with acidified K2Cr2O7 forms another compound 'Q'. When a piece of sodium is added to 'Q' a gas 'R' evolves which burns with a pop sound. Identify P, Q and R and write the chemical equations of the reactions involved.
List in tabular form three physical and two chemical properties on the basis of which ethanol and ethanoic acid can be differentiated.
Write the equations of chlorination of ethane
How will you bring about following conversions:
(a) Methane to methanol
(b) Ethane to ethanol (acetaldehyde)
(c) Methane to methanoic acid
From the given list, name the compound with –COOH as part of its structure.
Convert ethanol into ethene using a solid dehydrating agent. Give only a balanced equation.
State how the following conversion can be carried out:
Ethyl alcohol to ethene.
What are hydrocarbons? Give one example.
Complete the following activity.
| Boiling point of ethanol | → | |
| General name of ethanol | → | |
| Use of ethanol | → | |
| Boiling point of ethanoic acid | → | |
| Melting point of pure ethanoic acid | → |
What is the role of concentrated Sulphuric acid when it is heated with Ethanol at 443 K. Give the reaction involved.
Give the balanced chemical equation of the following reaction:
Combustion of ethanol.
Give the balanced chemical equation of the following reaction:
Combustion of ethanol.
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.
