Advertisements
Advertisements
Question
Write the observation for the following:
Decomposition of bicarbonates by dil. H2SO4.
\[\ce{2NaHCO3 + H2SO4 -> Na2SO4 + 2H2O + 2CO2}\]
Advertisements
Solution
Brick effervescence is observed and colourless and odourless CO2 gas is evolved in this case.
APPEARS IN
RELATED QUESTIONS
How are the following conversion brought about? Give equation and condition:
Sodium chloride to hydrogen chloride.
Give main difference between drying agent and dehydrating agent.
In this question, you required to supply the word (or words) that will make the sentence correct. Rewrite the copper statement.
Copper sulphate crystals are dehydrate by sulphuric acid.
What property of sulphuric acid is shown by the reaction of concentrated sulphuric acid when heated with potassium nitrate?
State one appropriate observation of the following:
Dehydration of concentrated sulphuric acid with sugar crystals.
Write balanced chemical equation to show :
The behavior of H2SO4 as an acid when it reacts with magnesium.
Which property of sulphuric acid accounts for its use as a dehydrating agent ?
Give balanced chemical equation to prepare the following salt:
Sodium sulphate using dilute sulphuric acid
Complete the table given below:
| Name of the process | Reactants | Acid product formed |
| (a) ______ | Nitrogen dioxide + water + oxygen | (b) ______ |
| (c) ______ | Oleum + water | Sulphuric acid |
The salt is formed when concentrated sulphuric acid reacts with KNO3 above 200°C.
