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प्रश्न
What is the common name of ethanoic acid?
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उत्तर
The common name of ethanoic acid is acetic acid.
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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
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
Give the common names and IUPAC names of the following compounds of CH3COOH.
Which of the following will give brisk effervescence with sodium hydrogen carbonate and why?
CH3COOH, CH3CH2OH
Name one chemical compound which can be used to distinguish between ethanol and ethanoic acid.
Choose those compounds from the following which can turn blue litmus solution red:
HCHO, CH3COOH, CH3OH, C2H5OH, HCOOH, CH3CHO
Give reasons for your choice.
Name the product formed and give an appropriate chemical equation for the following:
Ethanol oxidised by acidified potassium dichromate.
Name the substance used to change acetic acid to acetic anhydride?
What do you observe when acetic acid is added to sodium bicarbonate?
What do you observe when acetic acid is added to a neutral FeCl3 solution?
A student is studying the properties of acetic acid. List two physical properties of acetic acid he observes. What happens when he adds a pinch of sodium hydrogen carbonate to this acid? Write any two observations.
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
Name the functional group present in the following compound:
HCOOH
Explain the following term with example.
Monomer
Give the structural formula of Acetic acid.
Fill in the blank with appropriate word/words.
Denatured alcohol is a mixture of _____ and _______
Write balanced euation for the following :
Ethane is burnt in air.
Distinguish between esterification and saponification reactions with the help of chemical equations for each.
A student while observing the properties of acetic acid would report that this smells like ______.
Shristi heated Ethanol with a compound A in presence of a few drops of concentrated sulphuric acid and observed a sweet smelling compound B is formed. When B is treated with sodium hydroxide it gives back Ethanol and a compound C.
- Identify A and C
- Give one use each of compounds A and B.
- Write the chemical reactions involved and name the reactions.
