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प्रश्न
Choose those compounds from the following which can turn blue litmus solution red:
HCHO, CH3COOH, CH3OH, C2H5OH, HCOOH, CH3CHO
Give reasons for your choice.
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उत्तर
CH3COOH (ethanoic acid) and HCOOH (formic acid) are the compounds which can turn blue litmus solution red. This happens because ethanoic acid and formic acid are the organic compounds which are acidic in nature.
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संबंधित प्रश्न
Give the common name and IUPAC name of C2H5OH.
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.
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?
How is ethanoic acid obtained from ethanol? Write down the chemical equation of the reaction involved.
Which of the following molecular formula corresponds to ethylbutanoate ester?
(a) C5H10O2
(b) C6H12O2
(c) C7H14O2
(d) C8H16O2
Name the functional group present in the following compound:
C2H5CHO
Which one of the following are the correct observations about acetic acid?
(A) It turns blue litmus red and smells like vinegar
(B) It turns blue litmus red and smells like burning sulphur
(C) It turns res litmus blue and smells like vinegar
(D) It turns red litmus blue and has a fruity smell
Explain the following term with example.
Monomer
How is ethyne prepared in the laboratory?
Write three physical properties of acetic acid.
Choose the correct answer:
Select the acid which contains four hydrozen atoms in it.
Write a fully balanced equation for the folowing case:
Acitic acid is warmed with ethanol in the presence of concentrated sulpheric acid.
Draw the structure formula of ethyne.
Distinguish between esterification and saponification reactions with the help of chemical equations for each.
Ketone : –CO– : : Ester : _______
Which of these is not an organic acid?
When ethanoic acid is treated with NaHCO^ the gas evolved is ______.
What happens when a small piece of sodium is dropped in ethanol? Write the equation for this reaction.
Why is glacial acetic acid called so?
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
