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प्रश्न
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
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उत्तर
The odour of vinegar is same as that of acetic acid. Also, being an acid (though weak) it turns blue litmus to red.
The Correct Answer is D
संबंधित प्रश्न
Give a reason for Conductivity of dilute hydrochloric acid is greater than that of acetic acid
Draw the structure of butanoic acid.
How would you distinguish experimentally between an alcohol and carboxylic acid on the basis of a chemical property?
An organic compound X of molecular formula C2H4O2 gives brisk effervescence with sodium hydrogen carbonate. Give the name and formula of X.
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
How is ethyne prepared in the laboratory?
CH3–CH2–CHO : propanal : : CH3–COOH : _______
Write the molecular formula of the given compound.
Ethanoic acid
