For the following Assertion and Reason, the correct option is

Question:

For the following Assertion and Reason, the correct option is

Assertion (A) : When Cu (II) and sulphide ions are mixed, they react together extremely quickly to give a solid.

Reason $(\mathbf{R}):$ The equilibrium constant of

$\mathrm{Cu}^{2+}(\mathrm{aq})+\mathrm{S}^{2-}(\mathrm{aq}) \rightleftharpoons \mathrm{CuS}(\mathrm{s})$

is high because the solubility product is low.

  1. Both $(A)$ and $(R)$ are true and $(R)$ is the explanation for (A)

  2. Both (A) and (R) are false

  3. (A) is false and (R) is true

  4. Both (A) and (R) are true but (R) is not the explanation for (A)

Correct Option: , 4

Solution:

Slow or fast process is kinetic parameter but extent less or more is thermodynamic parameter.

Leave a comment

Close

Click here to get exam-ready with eSaral

For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.

Download Now

eSaral Gurukul

NEET

JEE Main

JEE Advanced

Our Telegram Channel

All Study Material