Advertisements
Advertisements
प्रश्न
What is the action of acetic acid with litmus paper?
उत्तर
Acetic acid turns blue litmus red. It proves that it is acidic in nature,.
APPEARS IN
संबंधित प्रश्न
A gas is liberated immediately with a brisk effervescence, when you add acetic acid to sodium hydrogen carbonate powder in a test tube. Name the gas and describe the test that confirms the identity of the gas.
Name the following:
The distinctive reaction that takes place when ethanol is treated with acetic acid.
How would you distinguish between ethanol and ethanoic acid by chemical test?
Name the product formed and give an appropriate chemical equation for the following:
Ethanol oxidised by acidified potassium dichromate?
Acetic acid is a typical acid. Write one equation in case of its reactions with a metal?
If you are asked to report your observations about the following two properties of acetic acid, what would you report?
(i) Odour
(ii) Effect on litmus
Which of the following observations is true about dilute solution of acetic acid?
(A) It smells like vinegar and turns red litmus blue
(B) It smells like onion and turns blue litmus red
(C) It smells like orange and turns red litmus blue
(D) It smells like vinegar and turns blue litmus red
On adding acetic acid to sodium hydrogen carbonate in a test tube, a student observes
(A) no reaction
(B) a colourless gas with pungent smell
(C) bubbles of a colourless and odourless gas
(D) a strong smell of vinegar
Write an equation showing saponification.
Raina while doing certain reactions observed that heating of substance ‘X’ with a vinegar-like smell with a substance ‘Y’ (which is used as an industrial solvent.) in the presence of conc. Sulphuric acid in a water bath gives a sweet-smelling liquid ‘Z’ having molecular formula C4H8O2. When heated with caustic soda (NaOH), ‘Z’ gives back the sodium salt and the compound ‘Y’.
Identify ‘X’, ‘Y’, and ‘Z’. Illustrate the changes with the help of suitable chemical equations.
