Advertisements
Advertisements
Question
On adding acetic acid to sodium hydrogen carbonate in a test tube, a student observes
(A) no reaction
(B) a colourless gas with pungent smell
(C) bubbles of a colourless and odourless gas
(D) a strong smell of vinegar
Advertisements
Solution
Acetic acid reacts with sodium hydrogen carbonate to form the salt sodium acetate and water with the evolution of CO2. This CO2 is a colourless, odourless gas. Thus, the student will observe bubbles of colourless and odourless gas.
The Correct Answer is C
APPEARS IN
RELATED QUESTIONS
List two uses of esters.
Fill in the following blank with suitable word:
The next higher homologue of ethanol is ...............
Name the functional group present in an organic compound which gives brisk effervescence with NaHCO3.
What is the physical state of CH3COOH?
An organic compound X of molecular formula C2H4O2 gives brisk effervescence with sodium hydrogen carbonate. Give the name and formula of X.
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?
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
Mineral acids are stronger acids than carboxylic acids because
- mineral acids are completely ionised
- carboxylic acids are completely ionised
- mineral acids are partially ionised
- carboxylic acids are partially ionised
Draw the structural diagram of:
Ethanoic acid
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.
