Download App

Electrochemistry — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryElectrochemistry1 Mark
Question
When acidulated water $($dil. $\ce{H_2SO_4}$ solution$)$ is electrolysed, will the $pH$ of the solution be affected? Justify your answer.
✓

Answer

$\text{At anode}:\ \ 2\text{H}_2\text{O}\xrightarrow{\ \ \ \ \ \ \ \ \ \ \ \ }\text{O}_2+4\text{H}^++4\text{e}^-$
$\text{At cathode}:\ \ 4\text{H}^++4\text{e}^{-}\xrightarrow{\ \ \ \ \ \ \ \ \ \ \ \ \ }2\text{H}_2$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "1 Marks Question" from Electrochemistry→Electrochemistry — all question types→Chemistry STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Arrange the following compound in increasing order of their property as indicated:Acetaldehyde, Acetone, Di$-$tert$-$butyl ketone, Methyl tert$-$butyl ketone $($reactivity towards $\text{HCN})$
→
How will you bring the conversion :
Toluene to benzyl alcohol
→
Give the $\ce{IUPAC}$ name of $\ce{H_2N-CH_2–CH_2-CH=CH_2}.$
→
You are given benzene, conc. $\ce{H_2SO_4}$ and $\ce{NaOH}.$ Write the equations for the preparation of phenol using these reagents.
→
Name a transition element which does not exhibit variable oxidation state
→
Define the following term:
Mole fraction.
→
Define Henry's law.
→
Write the structure of product of the following reaction;$\text{H}_3\text{C}-\text{C}\equiv\text{C}-\text{H}\ \ \ \ \xrightarrow{\text{Hg}^{2+},\text{ H}_2\text{SO}_4}$
→
How the following conversion can be carried out?
Isopropyl alcohol to iodoform.
→
Write the cell diagram of the following cell reactions :
$
2 Fe_{(s)}+3 Cd_{(aq)}^{2+} \rightarrow 2 Fe_{(aq)}^{+3}+3 Cd_{(s)}
$
→