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प्रश्न
Write balanced euation for the following :
Ethane is burnt in air.
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उत्तर
Ethane is burnt in air.
\[\ce{2C2H6 + 7O2 -> 4CO2 + 6H2O + heat}\]
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संबंधित प्रश्न
Consider the following comments about saponification reactions:
I. Heat is evolved in these reactions.
II. For quick precipitation of soap, sodium chloride is added to the reaction mixtures.
III. Saponification reactions are a special kind of neutralisation reactions.
IV. Soaps are basic salts of long-chain fatty acids.
The correct comments are
(a) I, II and III
(b) II, III and IV
(c) I, II and IV
(d) Only I and IV
Write the formula of ethanoic acid.
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
The structural formula of an ester is :
Write the formula of the acid and the alcohol from which it is formed.
Acetic acid is a typical acid. Write one equation in case of its reactions with a bicarbonate.
What do you observe when acetic acid is added to ethyl alcohol in the presence of sulphuric acid?
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
State are relevant observations for following reactant:
Addition of ethyl alcohol to acetic acid in presence of conc. H2SO4
Ethanoic acid turns ______ litmus to ______
A spatula full of sodium carbonate is taken in a test tube and 2 mL of dilute ethanoic acid is added to it.
Write a chemical equation for the reaction.
