Advertisements
Advertisements
प्रश्न
Write names and formulae of hydrocarbons containing a single and a double bond (one example for each). Give one characteristic chemical property of each.
Advertisements
उत्तर
Methane is a hydrocarbon which has a single bond. Its formula is CH4.
The characteristic chemical property of methane is the substitution reaction. It is a reaction in which one or more hydrogen atoms are replaced by some other atoms.
Chemical equation:
Ethene is a hydrocarbon containing a double bond. Its formula is C2H4.
The characteristic chemical property of ethene is the addition reaction. It is a reaction in which unsaturated compound (ethene) is combined with another substance to form a single product (saturated compound).
Chemical equation:
APPEARS IN
संबंधित प्रश्न
How would you distinguish experimentally between an alcohol and a carboxylic acid?
Fill in the following blank with suitable word:
The next higher homologue of ethane is ...............
Draw the structures for the following compounds:
Ethanal
What is the effect of ethanol on the human body?
Identify the functional group of the CH3COOH ?
Give three uses of ethanol
How will you carry out the following conversions:
(i) Ethanol to ethene
(ii) Bromoethane to ethanol
Find the odd one out and explain:
Write the structural formulae of the following compound:
Ethane
Write any two physical properties of Ethanol.
Answer the following question.
Write the chemical formula and name of the compound which is the active ingredient of all alcoholic drinks. List its two uses.
Write the chemical equation and name of the product formed when this compound reacts with -
(i) Sodium metal
(ii) hot concentrated sulphuric acid
Why is the conversion of ethanol to ethanoic acid considered an oxidation reaction? Write the oxidising agent used in the reaction involved.
3 mL of ethanol is taken in a test tube and warmed gently in a water bath. A 5% solution of alkaline potassium permanganate is added to the first drop by drop to this solution, then in excess.
- How is a 5% solution of KMnO4 prepared?
- State the role of alkaline potassium permanganate in this reaction. What happens on adding it in excess?
- Write the chemical equation of this reaction.
At room temperature ethanol is _______.
How is ethanoic acid prepared from ethanol? Give the chemical equation.
How is ethene prepared from ethanol? Give the reaction involved in it.
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.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
