1. Tardigrade
  2. Question
  3. Chemistry
  4. The number of statement(s) correct from the following for copper (at no. 29) is/are (A) Cu (II) complexes are always paramagnetic (B) Cu (I) complexes are generally colourless (C) Cu (I) is easily oxidized (D) In Fehling solution, the active reagent has Cu (I)

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. The number of statement(s) correct from the following for copper (at no. $29$) is/are ______
(A) $Cu$ (II) complexes are always paramagnetic
(B) $Cu$ (I) complexes are generally colourless
(C) $Cu$ (I) is easily oxidized
(D) In Fehling solution, the active reagent has $Cu$ (I)

JEE MainJEE Main 2022The d-and f-Block Elements

Solution:

$A,B,C$ are correct and $D$ is incorrect because Fehling solution has $Cu$(II)