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प्रश्न
Ethanoic acid _________.
विकल्प
is odourless
has a pungent smell
has a smell of rotten egg
- has a vinegar-like an odour
उत्तर
Ethanoic acid has a pungent smell.
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संबंधित प्रश्न
What do you observe when you drop a few drops of acetic acid to test tubes containing
(a) phenolphthalein
(b) distilled water
(c) universal indicator
(d) sodium hydrogen carbonate powder
Complete the following chemical equations :CH3COOH + Na2CO3 →
What is the common name of ethanoic acid?
Write the formulae of methanoic acid.
How is acetic acid prepared from acetylene?
What do you notice when acetic acid reacts with alkalies?
Acetic acid is a typical acid. Write one equation in case of its reactions with a base/alkali?
Acetic acid is a typical acid. Write one equation in case of its reactions with a bicarbonate.
Name the reducing agent used to convert acetic acid into ethanol?
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
A student adds 4 mL of acetic acid to a test tube containing 4 mL of distilled water. He then shakes the test tube and leaves it to settle. After about 10 minutes he observes:
(A) a layer of water over the layer of acetic acid
(B) a layer of acetic acid over the layer of water
(C) a precipitate settling at the bottom of the test tube
(D) a clear colourless solution
Write three physical properties of acetic acid.
What is thr boilng point of acetic acid?
How will you carry out the following conversions?
Ethene to acetic acid
What type of compound is formed by the reaction between acetic acid and an alcohol?
Rewrite the following statement by selecting the correct option.
The formula of ethanoic acid is _____________.
Choose the correct option from given alternative:
When sodium hydrogen carbonate is added to ethanoic acid a gas evolves. Consider the following statements about the gas evolved?
(A) It turns lime water milky.
(B) It is evolved with brisk effervescence.
(C) It has a smell of burning sulfur.
(D) It is also a by-product of respiration.
Ester is formed by the reaction between ______.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
