MCQ
Which of the following is diamagnetic ion?
- AZn2+
- BNi2+
- CCo2+
- DCu2+
✓
Answer
- Zn2+
Explanation:
Zn2+ = [Ne]3s23p64s03d10
It is diamagnetic, so no unpaired e−s.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
In the reaction, $P+Q \longrightarrow R+S$
→the time taken for $75 \%$ reaction of $P$ is twice the time taken for $50 \%$ reaction of $P$. The concentration of $Q$ varies with reaction time as shown in the figure. The overall order of the reaction is
$Br_2 + 2X^-\to 2Br^-+ X_2$
→$Cl_2 + 2Y^-\to 2Cl^-+ Y_2$
The incorrect match regarding above reaction is
Which of the following noble gas does not form clathrate compound?
The major product in the following reaction is:
Diamminedichloro platinum $ (II) $ complex has the formula
→Which one of the following complexes will most likely absorb visible light?
(At nos. $Sc = 21 , Ti = 22, V = 23, Zn = 30$)
→(At nos. $Sc = 21 , Ti = 22, V = 23, Zn = 30$)
Aldehyde and ketones can decolourize by
In which of the following complex pairing of $(n-1)d$ electron is not present in presence of strong field ligands $(SFL)$?
→If $Zn/Zn^{+2}$ electrode is diluted $100$ times then the change in electromotive force will be
→The Birch reduction of benzoic acid gives