Download App

The d & f Block Elements — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryThe d & f Block Elements1 Mark
MCQ
Which of the following is diamagnetic ion?
  • A
    Zn2+
  • B
    Ni2+
  • C
    Co2+
  • D
    Cu2+
✓

Answer

  1. 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.

Start Generating Free

Explore more

More "M.C.Q [1M]" from The d & f Block Elements→The d & f Block Elements — all question types→Chemistry STD 12 Science question papers→Bihar Board STD 12 Science question papers→Bihar Board question paper generator→

Similar questions

Number of pi $(\pi)$ bonds in aniline is :
→
The diazonium salts are the reaction product in presence of excess of mineral acid with nitrous acid and:
→
Rate of reaction does not remain constant throughout because
→
If 75% of a first order reaction was completed in 32 min, then 50% of the reaction was completed in _______ .
→
Which of the following is a chelate ligand?
→
C6​H13​Br + OH− ⟶ C6​H13​OH + Br− is an example of:
→
Amongst the following, the most basic compound is:
→
The formula of Nitric acid is:
→
The main vitamin found in orange and amla:
→
Which one is false in the following statement:
→