Chemistry NCERT Exemplar Solutions Class 11th Chapter Ten Class 11th The S-block Elements Chemistry The S Block Elements

When heated in air, the alkali metals form various oxides. Mention the oxides formed by Li, Na and K

2 Views|Posted 8 months ago

Asked by Shiksha User

1 Answer

Sort by:

P

Answered by

Payal Gupta | Contributor-Level 10

8 months ago

This is a short answer type question as classified in NCERT Exemplar

Alkali metals forms oxide when reacted with air. Lithium forms monoxide, sodium forms peroxide and potassium forms superoxide.

4Li+O₂→2Li₂O

Na+O₂→Na₂O₂

K+O₂→KO₂

Upvote

Thumbs Down Icon

Similar Questions for you

When light of maximum wavelength 300 nm falls on a photoelectric emitter, photoelectrons are liberated. For another emitter however light of maximum wavelength 600 nm causes photoelectric emission. The ratio of work functions of first emitter to second emitter will be

Alok Kumar Singh

Which one of the alkali metal can directly react with N₂ of air?

Alok Kumar Singh

Which of the following is arranged in the order of increasing radius of ions in aqueous solution?

Alok Kumar Singh

Li⁺ has the highest hydration enthalpy.

Hence it is most hydrated

Therefore, Correct order of hydrated radii is Cs⁺ < Rb⁺ < K⁺ < Na⁺ < Li⁺

Which one of the alkali metal can directly react with N₂ of air?

Alok Kumar Singh

The formula of washing soda is

Alok Kumar Singh

Taking an Exam? Selecting a College?

Get authentic answers from experts, students and alumni that you won't find anywhere else.

On Shiksha, get access to

66K

Colleges

|

1.2K

Exams

|

6.9L

Reviews

|

1.8M

Answers

Learn more about...

Chemistry NCERT Exemplar Solutions Class 11th Chapter Ten 2025

Chemistry NCERT Exemplar Solutions Class 11th Chapter Ten 2025

View Exam Details

Most viewed information

Share Your College Life Experience

Didn't find the answer you were looking for?

Search from Shiksha's 1 lakh+ Topics

or

Ask Current Students, Alumni & our Experts

Quick Actions

Community GuidelinesUser Points System

QuestionsDiscussionsTags

Have a question related to your career & education?

or

See what others like you are asking & answering