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प्रश्न
Name the first four members of alphatic carboxylic acid.
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उत्तर
The first four members of alphatic carboxylic acid are:
- Methanoic acid
- Ethanoic acid
- Propanoic acid
- Butanoic acid
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संबंधित प्रश्न
In an experiment to study the properties of ethanoic acid, a student takes about 3 mL of ethanoic acid in a dry test tube. He adds an equal amount of distilled water to it and shakes the test tube well. After some time he is likely to observe that
(A) a colloid is formed in the test tube.
(B) the ethanoic acid dissolves readily in water.
(C) the solution becomes light orange.
(D) water floats over the surface of ethanoic acid.
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
Name the compound formed when acetic acid and ethanol react together.
Which one of the following are the correct observations about acetic acid?
(A) It turns blue litmus red and smells like vinegar
(B) It turns blue litmus red and smells like burning sulphur
(C) It turns res litmus blue and smells like vinegar
(D) It turns red litmus blue and has a fruity smell
Acetic acid solution turns:
(1) blue litmus red
(2) red litmus blue
(3) blue litmus colourless
(4) red litmus colourless
The functional group present in acetic acid is ______.
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 characteristics of ethanoic acid.
Draw the structural diagram of:
Ethanoic acid
Write the chemical equation for the ethanol to ethanoic acid of an oxidation reaction.
