MyQuestionIcon

1

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

Preparations and Reactions of Sodium Oxide

Peroxides of ...

Question

Peroxides of group IA metals are

A

Thermally stable even at high temperatures

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

B

Diamagnetic

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

C

Paramagnetic

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

D

unreactive towards strong acids

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

Open in App

Solution

The correct option is B
Diamagnetic

$O_{2}^{2 -}$ has $16 x^{2} + 2 = 34$ electrons where all are paired. Hence alkali metal peroxides are diamagnetic. Statements a) and d) are incorrect. Peroxides decompose at high temperatures while they are highly reactive towards strong acids.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Most metal oxides are thermally stable at temperature up to

1000^{0} C

but the oxide of metals below hydrogen in the electrochemical series becomes fairly easy. Thus

H g o

A g_{2} O

decompose on heating.

Which of the following compounds can not be thermally decomposed even at high temperature :

Q. Assertion :Among the second group peroxides, barium peroxide is thermally most stable. Reason: Positive charge density is maximum for

B a^{2 +}

among group II cations

[N i C l_{2} {P (C_{2} H_{5})_{2} (C_{6} H_{5})}_{2}]

exhibits temperature dependent magnetic behavior (paramagnetic/diamagnetic). The coordination geometries of

N i^{2 +}

in the paramagnetic and diamagnetic states are respectively:

[N i C l_{2} {P (C_{2} H_{5})_{2} (C_{6} H_{5})}_{2}]

exhibits temperature dependent magnetic behaviour (paramagnetic/diamagnetic). The coordination geometry of

N i^{2 +}

in the paramagnetic and diamagnetic states are respectively:

[N i C l_{2} [P (C_{2} H_{5})_{2} (C_{6} H_{5})]_{2}]

exhibit temperature-dependent magnetic behaviour (paramagnetic/diamagnetic). The coordination geometries of

N i^{2 +}

in the paramagnetic and diamagnetic states are respectively:

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Sodium Oxide

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Preparations and Reactions of Sodium Oxide

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon