Features Mock TestsNEET Prep PYQ Chapters Plans Download App

PYQs/Chemistry/General Characteristics of Transition Elements

Chemistry2021easy

General Characteristics of Transition Elements

Zr (Z = 40) and Hf (Z = 72) have similar atomic and ionic radii because of

Choose your answer

PreviousAll in this set Next

More from this chapter

General Characteristics of Transition Elements

Also in 2021

The incorrect statement among the following is:

Other years

Given below are two statements : $\\$ Statement I : Ferromagnetism is considered as an extreme form of paramagnetism. $\\$ Statement II : The number of unpaired electrons in a $Cr^{2+}$ ion (Z = 24) is the same as that of a $Nd^{3+}$ ion (Z = 60). $\\$ In the light of the above statements, choose the correct answer from the options given below :

The $E^\circ$ value for the $Mn^{3+}$ / $Mn^{2+}$ couple is more positive than that of $Cr^{3+}$ / $Cr^{2+}$ or $Fe^{3+}$ / $Fe^{2+}$ due to change of

Which of the following statements are INCORRECT? A. All the transition metals except scandium form MO oxides which are ionic. B. The highest oxidation number corresponding to the group number in transition metal oxides is attained in $Sc_{2}O_3$ to $Mn_{2}O_7$ . C. Basic character increases from $V_{2}O_3$ to $V_{2}O_4$ to $V_{2}O_5$ . D. $V_{2}O_4$ dissolves in acids to give $VO_{4}^{3–}$ salts. E. CrO is basic but $Cr_{2}O_3$ is amphoteric. Choose the correct answer from the options given below:

See all 2021 questions

MockX App

- Free Mock Tests
- 10+ Years PYQs
- Smart Flashcards
- Daily Streak & Rewards

Download on theApp Store

Your trusted companion for NEET 2026 preparation. Join thousands of students achieving their medical dreams.

Follow us

COMPANY

About us
Help & Support
FAQ
Blog

STUDY RESOURCES

NEET Prep Tools
NEET Rank Predictor
NEET Mentors
NCERT Page Practice
Test Series
NEET 2027 Target Hub
NCERT Books
NEET 2026
NEET 2026 Countdown
How Many Days Left for NEET
NEET 2027 Countdown
NEET 2026 Syllabus
Physics Syllabus
Chemistry Syllabus
Biology Syllabus
Exam Pattern
Important Topics
NEET Topic Navigator
JEE Topic Navigator

NEET PG TOOLS

All Photo Tools
Passport Photo Crop
Signature & Thumb
PDF Compressor (≤1 MB)
Unlock PDF Password
Tools How-to Guide
Face Ratio Fix Guide

NEET 2026 GUIDES

Preparation Guide
Admit Card 2026
Counselling Guide
Eligibility Criteria
Result & Cutoff
Exam Centres
NEET 2027 Premium
PYQ Practice
Free Mock Tests
Free PYQ Practice
Smart Flashcards
Daily Streak

CONTACT US

Student Queries

[email protected]

Made with love by Team MockX

Terms•Privacy Policy•Refund Policy