JEE Mains 02-Sep-2020 Shift 1 Solved Paper

Section: Chemistry

Question : 28 of 75

Marks: +1, -0

For the following Assertion and Reason, thecorrect option is
Assertion (A) : When Cu (II) and sulphide ions are mixed, they react together extremely quickly to give a solid.
Reason (R) : The equilibrium constant of
Cu2+(aq)+S2−(aq)⇌ CuS(s)
is high because the solubility product is low.

[2 Sep 2020 Shift 1]

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

Validate

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