Back to d & f- BLOCK ELEMENTS
NEET UG CHEMISTRY MCQ: d & f- BLOCK ELEMENTS
1
Hard
1 of 1
Understanding
+4 | -1
Copper exhibits only +2 oxidation state in its stable compounds. Why?
View answer and explanation
Correct option: B
state compounds of copper are formed by exothermic reactions.
Option B is correct because the stability of Cu in the +2 oxidation state is attributed to the exothermic nature of the reactions forming its compounds.
More Questions from d & f- BLOCK ELEMENTS
Practice All Chapter MCQs β
A substance which is not paramagnetic is:
Green vitriol is
Which is the correct order of ionic sizes?) At.no.βΆCe=58,Sn=50,Yb=70 and Lu=71)
In the first transition series, the differentiating electron enters:
Philosopherβs wool on heating with BaO at 1100 C produce
A compound in which a metal ion (Z=25) has a spin only magnetic moment of BM. The number of unpaired electrons in the compound and the oxidation state of the metal ion are respectively.
