You visited us 3 times! Enjoying our articles? Unlock Full Access!

Stoichiometry

Last molecule...

Question

Last molecule of $H_{2} O$ is evolved from $H_{2} O_{2}$ by:

crystallisation

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

evaporation

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

distillation under reduced pressure

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

electrolysis

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

Open in App

Solution

The correct option is A crystallisation
The last molecule of water is separated from hydrogen peroxide by crystallization. $90 %$ solution of hydrogen peroxide is concentrated by cooling with solid carbon dioxide and ether bath. The crystals of hydrogen peroxide are separated, melted and refrozen.

Suggest Corrections

Similar questions

C O_{2}

H_{2} O

C O_{2}

H_{2} O

C O_{2}

H_{2} O

O_{2}

H_{2} O_{2}

(I) H_{2} O_{2} + O_{3} \to H_{2} O + 2 O_{2}

(I I) H_{2} O_{2} + A g_{2} O \to 2 A g + H_{2} O + O_{2}

C O_{2}, H_{2} O

H_{2} O_{2}

I_{2}

1000^{o}

40 %

20 %

Join BYJU'S Learning Program