Question
State as to why:
A solution of $\text{Na}_2\text{CO}_3$ is alkaline?
A solution of $\text{Na}_2\text{CO}_3$ is alkaline?
✓
Answer
When sodium carbonate is added to water, it hydrolyses to give sodium bicarbonate and sodium hydroxide (a strong base). As a result, the solution becomes alkaline.
$\text{Na}_2\text{CO}_3+\text{H}_2\text{O}\xrightarrow{\ \ \ \ \ \ }\text{NaHCO}_3+\text{NaOH}$
$\text{Na}_2\text{CO}_3+\text{H}_2\text{O}\xrightarrow{\ \ \ \ \ \ }\text{NaHCO}_3+\text{NaOH}$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Explain the following:
$\mathrm{TI}\left(\mathrm{NO}_3\right)_3$ acts as an oxidising agent.
→$\mathrm{TI}\left(\mathrm{NO}_3\right)_3$ acts as an oxidising agent.
Draw all polygon formula for the molecular formula $\text{C}_5\text{H}_{10}$.
→Write formula for the following compound:
Tin(IV) oxide.
Tin(IV) oxide.
What is pneumoconiosis?
The relation between pressure exerted by an ideal gas ( $\left.P _{\text {ideal }}\right)$ and observed pressure ( $\left.P _{\text {real }}\right)$ is given by the equation, $p _{\text {ideal }}= p _{\text {real }}+\frac{ an ^2}{V^2}$
i. If pressure is taken in $Nm ^{-2}$, number of moles in mol and volume in $m ^3$, calculate the unit of ' a '.
ii. What will be the unit of 'a' when pressure is in atmosphere and volume in $dm ^3$ ?
→i. If pressure is taken in $Nm ^{-2}$, number of moles in mol and volume in $m ^3$, calculate the unit of ' a '.
ii. What will be the unit of 'a' when pressure is in atmosphere and volume in $dm ^3$ ?
Predict if the solutions of the following salts are neutral, acidic or basic: $NaCl , KBr , NaCN , NH _4 NO _3, NaNO _2$ and KF
→An alkene (molecular weight $=56$ ) on reaction with trioxygen followed by zinc/ $CH _3 COOH$ gave only ethanal. Identify the Structure of the alkene.
→Complete:
How many electrons are present in 16 g of $\mathrm{CH}_4$ ?
→Name the compounds whose line formulae are given below.
