Class 11 Chemistry s-Block Elements Alkali metals

Easy

What is the oxidation state of $K$ in $KO_{2}$?

A
$+1$
B
$+2$
C
$+4$
D
$-1$

Explore More

Browse All

Question Bank

All Subjects

Class 11 Questions

Class 11

Chemistry Questions

Chapter

s-Block Elements

Subtopic

Alkali metals

Similar Questions

Which one of the following dissolves in hot concentrated $NaOH$ solution?

Among alkali metal salts,lithium salts are the least conducting in their aqueous solutions. This is due to:

Medium

Which one of the following is an $s$-block element?

Easy

Which of the following does not participate in the Solvay process for the manufacture of $Na_2CO_3$?

Easy

Among $KO_2$,$AlO_2^-$,$BaO_2$,and $NO_2^+$,in which species is an unpaired electron present?

Medium

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.