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प्रश्न
When acetaldehyde is oxidized with acidified potassium dichromate, it forms ______.
विकल्प
ester
ethanol
acetic acid
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उत्तर
When acetaldehyde is oxidized with acidified potassium dichromate, it forms acetic acid.
संबंधित प्रश्न
For preparing soap in the laboratory we require an oil and a base. Which of the following combinations of an oil and a base would be best suited for the preparation of soap?
(a) Castor oil and calcium hydroxide
(b) Turpentine oil and sodium hydroxide
(c) Castor oil and sodium hydroxide
(d) Mustard oil and calcium hydroxide
Complete the following equation:
\[\ce{CH3COOH + C2H5OH ->[Conc{.} H2SO4]}\]
The structural formula of an ester is :
Write the formula of the acid and the alcohol from which it is formed.
What do you notice when acetic acid reacts with litmus?
What do you notice when acetic acid reacts with metals?
A student takes 2 mL acetic acid in a dry test tube and adds a pinch of sodium hydrogen carbonate to it. He makes the following observations:
I. A colourless and odourless gas evolves with a brisk effervescence.
II. The gas turns lime water milky when passed through it.
III. The gas burns with an explosion when a burning splinter is brought near it.
IV. The gas extinguishes the burning splinter that is brought near it.
The correct observations are:
(A) I, II, and III
(B) II, III and IV
(C) III, IV and I
(D) IV, I and II
Write a fully balanced equation for the folowing case:
Acitic acid is warmed with ethanol in the presence of concentrated sulpheric acid.
Ethanoic acid is also known as which of these?
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:
Neutralization of NaOH with ethanoic acid.
