Assertion :In a Daniell cell, if the concentration of $C u^{2 +}$ and $Z n^{2 +}$ ions are doubled, the EMF of the cell will be doubled. Reason: If the concentration of ions in contact with metals is doubled, the electrode potential is doubled.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Assertion is correct but Reason is incorrect

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Both Assertion and Reason are incorrect

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D Both Assertion and Reason are incorrect
As we know,
For Daniell cell,
if the concentration of Cu2+ and Zn2+ ions are doubled, the EMF of the cell will be same according to equation.

Suggest Corrections

Similar questions

C u^{2 +}

Z n^{2 +}

C u^{2 +}

Z n^{2 +}

Assertion

Lithium sulphate does not form alums.

Reason

$L i^{+}$ is too small to form a stable lattice required for double-salt/alum formation.

H_{2}

H e

(1 + \frac{P b}{R T})

H_{2}

H e

Assertion – The non-fusible impurities present in iron ore are removed by $C a C O_{3}$ .

Reason: $C a C O_{3}$ which decomposes into $C a O$ and $C O_{2}$ . The $C a O$ formed reacts with $S i O_{2}$ to remove silica

Join BYJU'S Learning Program