Jee Main
D And F Block Elements
JEE Main 2022 (Online) 27th June Morning Shift
INTEGER+4 / -12022
The number of statements 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)