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प्रश्न
What do you notice when acetic acid reacts with metals?
Acetic acid is a typical acid. Write one equation in case of its reactions with a metal?
Acetic acid is a typical acid. Write one equation in case of its reactions with a base/alkali?
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उत्तर
When acetic acid reacts with metals, hydrogen is evolved (with active metals like Zn and Mg).
\[\ce{2CH3COOH + Zn -> (CH3COO)2Zn + H2}\]
संबंधित प्रश्न
A student puts a drop of reaction mixture of a saponification reaction first a blue litmus paper and then on a red litmus paper. He may observe that:
(a) There is no change in the blue litmus paper and the red litmus paper turns white.
(b) There is no change in the red litmus paper and the blue litmus paper turns red.
(c) There is no change in the blue litmus paper and the red litmus paper turns blue.
(d) No change in colour is observed in both the litmus papers
What is the physical state of CH3COOH?
Vinegar is a solution of about:
(a) 5 to 8 per cent ethanoic acid in alcohol
(b) 5 to 8 per cent ethanoic acid in water
(c) 50 to 80 per cent ethanoic acid in water
(d) 50 to 80 per cent ethanoic acid in alcohol
While studying saponification reactions, the following comments were noted down by the students :
(I) Soap is a salt of fatty acids.
(II) The reaction mixture is basic in nature.
(III) In this reaction heat is absorbed.
(IV) This reaction is not a neutralisation reaction.
Which of these are the correct comments ?
(A) I and III only
(B) I, II and III
(C) II, III and IV
(D) I and II only
Give the structural formula of Acetic acid.
Under what conditions does ethane get converted to ethyl alcohol?
Define glacial acetic acid?
Fill in the blank with appropriate word/words.
Denatured alcohol is a mixture of _____ and _______
A compound X when treated with an organic acid Y (having vinegar-like smell) in the presence of the acid Z, forms a compound P which has a fruity smell.
- Identify X, Y and Z
- Write the structural formula of X and Y.
- What type of compound is P?
- Name the above reaction.
- If compounds X and Y both have 2 carbon atoms. Write the reaction.
CH3–CH2–CHO : propanal : : CH3–COOH : _______
