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प्रश्न
Write the molecular formula of the given compound.
Ethanoic acid
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उत्तर
Ethanoic acid- CH3COOH or C2H4O2
संबंधित प्रश्न
In an experiment to study the properties of ethanoic acid, a student takes about 3 mL of ethanoic acid in a dry test tube. He adds an equal amount of distilled water to it and shakes the test tube well. After some time he is likely to observe that
(A) a colloid is formed in the test tube.
(B) the ethanoic acid dissolves readily in water.
(C) the solution becomes light orange.
(D) water floats over the surface of ethanoic acid.
Describe a test for carboxylic acids.
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
Consider the following organic compound:
CH3OH, C2H5OH, CH3COCH3, CH3COOH, C2H5COOH, C4H9COOC2H5, CH4, C2H6, CH3CHO, HCHO
Out of these compound:
Which compound is added to alcohol to denature it?
Give the structural formulae of acetic acid.
What is glacial acetic acid?
What do you notice when acetic acid reacts with alkalies?
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
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:
C2H5CHO
Acetic acid smells like:
(1) a banana
(2) vinegar
(3) an orange
(4) a lemon
Explain the following term with example.
Monomer
Explain the following term with example.
Reduction
Write the molecular formulae and structure formula of ethanic 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.
Write a balanced equation for the following:
Write the equation for the preparation of ethylene from ethyl alcohol.
Write a fully balanced equation for the folowing case:
Acitic acid is warmed with ethanol in the presence of concentrated sulpheric acid.
State how the following conversions can be carried out:
Ethene to Ethyl alcohol.
Give a balanced chemical equation for the following conversion:
Calcium carbide to ethyne.
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.
Distinguish between esterification and saponification reactions with the help of chemical equations for each.
CH3–CH2–CHO : propanal : : CH3–COOH : _______
Ester is a sweet-smelling compound.
Vinegar is a solution of ______.
Which of the following substance produces brisk effervescence with baking soda solution?
How is ethanol to ethanoic acid an oxidation reaction different from the reaction in which ethanol burns in the presence of oxygen?
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.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
