Help Contact For teachers and institutes

Mock Tests Classes

StemPy Lab

Learn. Solve. Code the solutions. Test yourself.

Live examsFree mock exams, timed and rankedEveryone starts together, and your score and rank come the moment it ends.See the exams →

Learn

Physics
Chemistry
Mathematics
Biology
Python Programming
Statistics & Data Science
Classes
Groups

Practice

Problems
Quizzes
Mock Tests
Prepare for an Exam
Question Sets
Exams
Certificates
Python Labs
AI Practice Generator
Student-Created Tests

Community

Discussions
Resources
Notes
Blog

Account

Log in

© 2026 senLearn. All rights reserved.Help About Contact Privacy Policy Terms of Use Refund Policy

Statement I: in aqueous solution, Ce⁴⁺ acts as an… | StemPy Lab

Quizzes
Statement I: in aqueous solution, Ce⁴⁺ acts as an oxidising agent. Statement II: in aqueous solution, Eu²⁺ acts as a reducing agent. Which choice is correct?

ChemistryMediumHigh School (11–12)The d- and f-Block Elements › Lanthanoids and Actinoids (f-Block)NEET A-Level IB

Created by StemPy Lab

Statement I: in aqueous solution, $\text{Ce}^{4+}$ acts as an oxidising agent. Statement II: in aqueous solution, $\text{Eu}^{2+}$ acts as a reducing agent. Which choice is correct?

← All Quizzes

← Which pair of atoms has a single electron in the 4s orbital in the ground state?Assertion (A): aqueous solutions of scandium(III) salts are colourless. Reason (R): the Sc³⁺ ion has no electrons in the 3d subshell. →

More onThe d- and f-Block Elements › Lanthanoids and Actinoids (f-Block)

Discussion (0)

Log in to join the discussion.

Loading…

More questions on this topic

Which element is made in a reactor from the common uranium isotope by neutron capture and two beta…Medium
What is the equivalent mass of KMnO₄ (molar mass M) when it is reduced to MnO₂ in a neutral…Hard
An orange solution of potassium dichromate turns yellow when alkali is added. What happens to the…Medium
Successive oxidation states of a transition element differ by one unit, and those of a p-block…Medium
How many of the following statements are correct? (1) The 4f electrons are held deep inside the…Hard

All questions on this topic →

Problems on this topic

Americium has the configuration [Rn] 5f⁷ 7s² and its highest known oxidation state is +6…Hard
A smoke detector holds 0.52 mg of americium-241, with a half-life of 432 years…Medium
A nucleus of uranium-238 (atomic number 92) absorbs a neutron…Medium
The ion Y³⁺ has a radius of 90.0 pm. The radii of the 3+ ions of the heavy lanthanoids are: Gd…Hard

All problems on this topic →