Class 12 Chemistry d-and f-Block Elements Chemical properties

Medium

At $pH = 12$,what change occurs in $Cr_2O_7^{2-}$?

A
$CrO_3$
B
$CrO_2^{2+}$
C
$CrO_4^{2-}$
D
No change

Explore More

Browse All

Question Bank

All Subjects

Class 12 Questions

Class 12

Chemistry Questions

Chapter

d-and f-Block Elements

Subtopic

Chemical properties

Similar Questions

Which of the following characteristics of the transition metals is associated with their catalytic activity?

EasyAP EAMCET 2016

How are transition metals and their oxides used in industrial processes?

Medium

Discuss the catalytic properties of transition elements.

Medium

Which of the following metal hydroxide is not soluble in excess of $NH_3$ solution?

Medium

Explain the trends in $M^{2+}/M$ standard electrode potentials.

Difficult

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial

For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.