Advertisements
Advertisements
Question
Write the molecular formulae and structure formula of ethanic acid?
Advertisements
Solution
Sructure formula of ethanoic acid:
\[\begin{array}{cc}
\phantom{.....}\ce{H}\phantom{...}\ce{O}\phantom{........}\\
\phantom{.}|\phantom{...} \phantom{.}||\phantom{....}\\
\ce{H-C-C-O-H}\\
\phantom{}|\phantom{...}\phantom{.}\phantom{....}\\
\phantom{....}\ce{H}\phantom{...}\ce{}\phantom{........}\\
\end{array}\]
Molecular formula of Ethanoic acid:
CH3COOH
APPEARS IN
RELATED QUESTIONS
What do you observe when you drop a few drops of acetic acid to test tubes containing
(a) phenolphthalein
(b) distilled water
(c) universal indicator
(d) sodium hydrogen carbonate powder
A student adds 2 mL of acetic acid to a test tube containing 2 mL of distilled water. He then shakes the test tube well and leaves it to settle for some time. After about 5 minutes he observes that in the test tube there is :
(A) a clear transparent colourless solution
(B) a clear transparent pink solution
(C) a precipitate settling at the bottom of the test tube
(D) a layer of water the layer of acetic acid
Name the gas evolved when ethanoic acid is added to sodium carbonate. How would you prove the presence of this gas?
Vinegar is a solution of about:
(a) 5 to 8 per cent ethanoic acid in alcohol
(b) 5 to 8 per cent ethanoic acid in water
(c) 50 to 80 per cent ethanoic acid in water
(d) 50 to 80 per cent ethanoic acid in alcohol
Write the IUPAC name of the following:
\[\begin{array}{cc}
\ce{CH3}\\
|\\
\ce{CH3 -C -CH3}\\
|\\
\ce{CH3}
\end{array}\]
On adding 2 mL acetic acid to 2 mL of water in a test tube, it was observed that
(A) a clear and transparent solution is formed
(B) a white precipitate is formed almost immediately
(C) two separate layers were formed
(D) a colourless and odourless gas is evolved
Draw the structural formula of a compound with two carbon atoms in the following case:
An alcohol containing two carbon atoms.
Write the chemical equation for the following:
Combustion of methane
Write an equation showing saponification.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
