English

Ethanoic Acid Has a Pungent Odour. - Science and Technology 2

Advertisements
Advertisements

Question

Ethanoic acid has a .................... odour.
(a) Rotten eggs
(b) Pungent
(c) Vinegar-like
(d) Mild

Solution

(b) Pungent
Ethanoic acid has a pungent odour.

shaalaa.com
  Is there an error in this question or solution?
2015-2016 (March)

APPEARS IN

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

The molecular formula of acetic acid is _________ .
(a) CH3COOH
(b) CH3 – CH3
(c) C6H6
(d) C2H4


Complete the following chemical equations: CH3COOH+NaHCO3


Give a reason for Conductivity of dilute hydrochloric acid is greater than that of acetic acid


Write the name and chemical formula of the simplest organic acid.


Complete the following equation:

`CH_3 COOH + CH_2 H_5 OH` 


How is ethanoic acid obtained from ethanol? Write down the chemical equation of the reaction involved.


An organic compound A (molecular formula C2H4O2) reacts with Na metal to form a compound B and evolves a gas which burns with a pop sound. Compound A on treatment with an alcohol C in the presence of a little of concentrated sulphuric acid forms a sweet-smelling compound D (molecular formula C3H6O2). Compound D on treatment with NaOH solution gives back B and C. Identify A, B, C and 


Give the structural formulae of acetic acid? IUPAC name of acetic acid. What is glacial acetic acid?


What do you notice when acetic acid reacts with litmus ?


A student is studying the properties of acetic acid. List two physical properties of acetic acid he observes. What happens when he adds a pinch of sodium hydrogen carbonate to this acid? Write any two observations.


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.

Reduction


Write balanced euation for the following :

Write the equation for the preparation of ethylene from ethyl alcohol.


Give balanced chemical equations for the following conversion :

Calcium carbide to ethyne


Ester is a sweet-smelling compound.


Bubbles are seen in the test tube during the preparation of lime water.


Raina while doing certain reactions observed that heating of substance ‘X’ with a vinegar-like smell with a substance ‘Y’ (which is used as an industrial solvent.) in the presence of conc. Sulphuric acid in a water bath gives a sweet-smelling liquid ‘Z’ having molecular formula C4H8O2. When heated with caustic soda (NaOH), ‘Z’ gives back the sodium salt and the compound ‘Y’.

Identify ‘X’, ‘Y’, and ‘Z’. Illustrate the changes with the help of suitable chemical equations.


Write the chemical equation for the ethanol to ethanoic acid of an oxidation reaction.


Observe the diagram given below and answer the questions:

  1. Name the reactants in this reaction.
  2. Which gas comes out as effervescence in the bigger test tube?
  3. What is the colour change in the lime water?
  4. In the above experiment instead of sodium carbonate which chemical can be used to get same products?
  5. Write the use of acetic acid.

Give the balanced chemical equation of the following reaction:

Neutralization of NaOH with ethanoic acid.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×