Advertisements
Advertisements
प्रश्न
Draw the structural formula for the following:
Ethanoic acid
Advertisements
उत्तर
\[\begin{array}{cc}
\phantom{....}\ce{H}\phantom{...}\ce{O}\phantom{........}\\
\phantom{..}|\phantom{....}||\phantom{......}\\
\ce{H - C - C - O - H}\\
\phantom{.}|\phantom{...}\phantom{.}\phantom{.......}\\
\phantom{...}\ce{H}\phantom{...}\ce{}\phantom{..........}\\
\end{array}\]
संबंधित प्रश्न
A gas is liberated immediately with a brisk effervescence, when you add acetic acid to sodium hydrogen carbonate powder in a test tube. Name the gas and describe the test that confirms the identity of the gas.
When zinc powder is added to acetic acid ______________
(a) the mixture becomes warm
(b) a gas is evolved
(c) the colour of the mixture becomes yellow
(d) a solid settles at the bottom
Complete the following equation:
`CH_3 COOH + CH_2 H_5 OH` 
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
A student puts a drop of acetic acid first on a blue litmus paper and then on a red litmus paper. He would observe that
(A) the red litmus paper turns colourless and there is no change in the blue litmus paper.
(B) the red litmus paper turns blue and the blue litmus paper turns red.
(C) there is no change in the red litmus paper and the blue litmus paper turns red.
(D) there is no change in the blue litmus paper and the red litmus paper turns blue.
Write three physical properties of acetic acid.
State the observation
When the gaseous product obtained by dehydration of ethyl alcohol is passed through bromine water.
Draw the structure formula of ethyne.
Bubbles are seen in the test tube during the preparation of lime water.
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.
