CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Reactivity with Air CO2 and Water (Group 1)

Which one of ...

Question

Which one of the following doesnot exist ?

A

N a O_{2}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

K O_{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

R b O_{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

C s O_{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $N a O_{2}$
Sodium form peroxide on reaction with air.
$2 N a + O_{2} \to N a_{2} O_{2}$
The superoxide $O_{2}^{-}$ ion is stable only in the presence of larger cations such as K, Rb, Cs.
Hence correct options are b, c and d.

Suggest Corrections

thumbs-up

2

Similar questions

Q.
Which of the following acids doesnot exist in the free form?

Q. Which of the following doesnot occur in Plasmodium?

Q. One figure in the series is wrong since it doesnot follow the rule of turn. Which figure is it?

Q. Which of the following ion doesnot have the bond order of 2.5?

Q. Which of the following doesnot look the same when seen through vertical mirror?

View More

Join BYJU'S Learning Program

explore_more_icon

Explore more

Reactivity with Air CO2 and Water (Group 1)

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon