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प्रश्न
Name the substance used to change acetic acid to acetic anhydride?
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उत्तर
Phosphorous pentoxide (P2O5)
संबंधित प्रश्न
The molecular formula of acetic acid is _________ .
(a) CH3COOH
(b) CH3 – CH3
(c) C6H6
(d) C2H4
How is ethanoic acid obtained from ethanol? Write down the chemical equation of the reaction involved.
An organic compound X of molecular formula C2H4O2 gives brisk effervescence with sodium hydrogen carbonate. Give the name and formula of X.
Name the functional group present in the following compound:
C2H5CHO
Explain the following term with example.
Reduction
Write balanced euation for the following :
Ethane is burnt in air.
When acetaldehyde is oxidized with acidified potassium dichromate, it forms ______.
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.
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.
What happens when a small piece of sodium is dropped in ethanol? Write the equation for this reactions.
