Download App

d-and f-Block Elements — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryd-and f-Block Elements1 Mark
MCQ
In which of the following elements 4f energy level is gradually filled?
  • ✓
    Lanthanides
  • B
    actinides
  • C
    Transition metals
  • D
    Coinage metals
✓

Answer

Correct option: A.
Lanthanides
A

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 (1 Marks)" from d-and f-Block Elements→d-and f-Block Elements — all question types→Chemistry STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Value of Henry’s constant $K_H ........$
→
Methylamine on heating with choloroform and alcoholic KOH gives:
→
Nitrobenzene when reduced with tin and hydrochloric acid, i.e., in acidic medium, the product formes is:
→
Select the correct $\text{IUPAC}$ name for $\ce{[FeF_4​(OH_2​)_2​]^−}.$
→
Which of the following does not give white precipitate when boiled with alcoholic silver nitrate:
→
The enzymes are destroyed by:
→
Best method for preparing primary amines from alkyl halides without changing the number of carbon atoms in the chain is:
→
Indicate the incorrect statement$:$
→
$ PCl_{5} $ is found but $ NCl_{5} $ is not because:
→
How much oxygen is dissolved in $100\ mL$ water at $298K$ if partial pressure of oxygen is $0.5\ \text{atm}$ and $K = 1.4 \times 10^{-3} \text{mol/ L/ atm}$?
→