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प्रश्न
Three organic compounds A, B and C have the following molecular formulae: C4H10O
Which compound contains a carboxyl group? Write its name and structural formula.
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उत्तर
The organic compound 'A' contains a carboxyl group. The name of the acid is butanoic acid, and its formula is C3H7COOH. Its structural formula is as follows:
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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.
Name the functional group present in an organic compound which gives brisk effervescence with NaHCO3.
What will you observe when dilute ethanoic acid and dilute hydrochloric acid are put on universal indicator paper, one by one? What does it show?
Choose those compounds from the following which can turn blue litmus solution red:
HCHO, CH3COOH, CH3OH, C2H5OH, HCOOH, CH3CHO
Give reasons for your choice.
Consider the following organic compound:
CH3OH, C2H5OH, CH3COCH3, CH3COOH, C2H5COOH, C4H9COOC2H5, CH4, C2H6, CH3CHO, HCHO
Out of these compound:
Which compound is most likely to be sweet-smelling?
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?
Name the product formed and give an appropriate chemical equation for the following:
Ethanol oxidised by acidified potassium dichromate.
What do you notice when acetic acid reacts with litmus?
What do you notice when acetic acid reacts with alkalies?
Acetic acid is a typical acid. Write one equation in case of its reactions with a carbonate.
Why is Soda lime used not only NaOH?
How is ethyne prepared in the laboratory?
Choose the correct answer:
Select the acid which contains four hydrozen atoms in it.
Give balanced chemical equations for the following conversion :
Ethanoic acid to ethyl ethanote
Convert ethane to acetic acid.
Rewrite the following statement by selecting the correct option.
The formula of ethanoic acid is _____________.
Which of the following substance produces brisk effervescence with baking soda solution?
A spatula full of sodium carbonate is taken in a test tube and 2 mL of dilute ethanoic acid is added to it.
Write a chemical equation for the reaction.
