☰
Menu
← Back to shiwamsclass.com
← Website
Home
Free quizzes
Free mock tests
All mock tests
CBSE Class 10
CBSE Class 12
Bihar Board 12
JEE Main
JEE Advanced
Chapter-wise PYQ
CBSE Class 10 PYQ
CBSE Class 12 PYQ
Bihar Board 12 PYQ
JEE Main PYQ
JEE Advanced PYQ
Sign in
← shiwamsclass.com
← CBSE Class 12 PYQ
The d- and f-Block Elements
CBSE Class 12 · Chemistry · 23 past questions
Topic
General properties and electronic configuration of d-block elements
3
Lanthanoids and actinoids
1
Potassium permanganate and dichromate
1
Magnetic and catalytic properties and colour
0
Mixed explanation, comprehension and data-based questions
0
Oxidation states and electrode potentials
0
Level
Easy
1
Moderate
0
Year
2026
1
2025
1
2024
1
2023
1
1 of 23 ·
show all
Q4
2026
In aqueous solution, $Cr_2O_7^{2-}$ ion converts to which of the following in alkaline medium ?
Try it →