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प्रश्न
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
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उत्तर
5 to 8 percent ethanoic acid in water
Vinegar is a solution comprising 5 to 8 percent ethanoic acid mixed with water.
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संबंधित प्रश्न
Write the IUPAC names, common names and formulae of the first two members of the homologous series of carboxylic acids.
Give the common name and IUPAC name of C2H5OH.
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?
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
On adding NaHCO3 to acetic acid, a gas is evolved which turns lime water milky due to the formation of:
(1) Calcium bicarbonate
(2) Calcium hydroxide
(3) Calcium carbonate
(4) Calcium acetate
Explain the following term with example.
Monomer
Why is Soda lime used not only NaOH?
Define glacial acetic acid?
Fill in the blank with appropriate word/words.
Vinegar is a solution of about ________per cent ________in water.
Using appropriate catalysts, ethane can be oxidized to an alcohol. Name the alcohol formed when ethane is oxidized.
Choose the correct alternative and rewrite the following:
Some acetic acid is treated with solid NaHCO3, the resulting solution will be _________________.
Ketone : –CO– : : Ester : _______
A few drops of ethanoic acid were added to solid sodium carbonate. The observation made was that ______.
Which of these is not an organic acid?
The reaction between acetic acid and sodium carbonate is shown in the following figure.
Answer the questions with the help of a diagram.
- Which gas does come out as effervescence in the big test tube?
- What is the colour change in the lime water present in the small test tube?
- Write the related reaction.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
Write the chemical equation for the ethanol to ethanoic acid of an oxidation reaction.
Observe the diagram given below and answer the questions:
- Name the reactants in this reaction.
- Which gas comes out as effervescence in the bigger test tube?
- What is the colour change in the lime water?
- In the above experiment instead of sodium carbonate which chemical can be used to get same products?
- Write the use of acetic acid.
