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प्रश्न
Write the IUPAC names, common names and formulae of the first two members of the homologous series of carboxylic acids.
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उत्तर
The IUPAC names, common names and formula for the first two members of the homologous series of carboxylic acid are:
1) IUPAC name: Methanoic acid; Common name: Formic acid; Formula: HCOOH
2) IUPAC name: Ethanoic acid; Common name: Acetic acid; Formula: CH3COOH
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संबंधित प्रश्न
While studying saponification reaction for the preparation of soap, a teacher suggested to a student to add a small quantity of common salt to the reaction mixture. The function of common salt in this reaction is to
(A) reduce the alkalinity of the soap
(B) reduce the acidity of the soap
(C) enhance the cleansing capacity of soap
(D) favour precipitation of soap
Complete the following chemical equations :CH3COOH+NaOH→
Complete the following chemical equations :CH3COOH + Na2CO3 →
Draw the structures for the following compounds of Propanoic acid.
Name one chemical compound which can be used to distinguish between ethanol and ethanoic acid.
How would you distinguish between ethanol and ethanoic acid by chemical test?
Vinegar is a solution of about:
(a) 5 to 8 per cent ethanoic acid in alcohol
(b) 5 to 8 per cent ethanoic acid in water
(c) 50 to 80 per cent ethanoic acid in water
(d) 50 to 80 per cent ethanoic acid in alcohol
What is glacial acetic acid?
Name the compound formed when acetic acid and ethanol react together.
In an experiment to study the properties of acetic acid a student takes about 2 mL of acetic acid in a dry test tube. He adds about 2 mL of water to it and shakes the test tube well. He is likely to observe that:
(A) the acetic acid dissolves readily in water
(B) the solution becomes light orange
(C) water floats over the surface of acetic acid
(D) acetic acid floats over the surface of water
Acetic acid smells like:
(1) a banana
(2) vinegar
(3) an orange
(4) a lemon
Acetic acid solution turns:
(1) blue litmus red
(2) red litmus blue
(3) blue litmus colourless
(4) red litmus colourless
Choose the correct answer:
Select the acid which contains four hydrozen atoms in it.
State how the following conversions can be carried out:
Ethene to Ethyl alcohol.
Write a balanced chemical equation for the following:
Monochloroethane is hydrolysed with aqueous KOH.
A compound X when treated with an organic acid Y (having vinegar-like smell) in the presence of the acid Z, forms a compound P which has a fruity smell.
- Identify X, Y and Z
- Write the structural formula of X and Y.
- What type of compound is P?
- Name the above reaction.
- If compounds X and Y both have 2 carbon atoms. Write the reaction.
Write the molecular formula of the given compound.
Ethanoic acid
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
Anita added a drop each of diluted acetic acid and diluted hydrochloric acid on pH paper and compared the colors. Which of the following is the correct conclusion?
Name the oxidising agent used in the conversion of ethanol to ethanoic acid.
