Sodium chromate ( ${N a}_{2} C r O_{4}$ ) is made commercially by:

heating mixture of

C r_{2} O_{3}

and

{N a}_{2} {C O}_{3}

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

heating mixture of chromite ore and sodium carbonate in the presence of oxygen

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

heating sodium dichromate with sodium carbonate

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

reacting

N a O H

with chromic acid

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

Open in App

Solution

The correct option is B heating mixture of chromite ore and sodium carbonate in the presence of oxygen
Chromite ore is mixed with sodium carbonate and quick lime in presence of oxygen in a reverberatory furnance to form sodium chromate.
$4 F e (C r O_{2})_{2} c h r o m i t e + 8 N a_{2} C O_{3} + 7 O_{2} \to 8 N a_{2} C r O_{4} S o d i u m c h r o m a t e + 2 F e_{2} O_{3} + 8 C O_{2}$

Suggest Corrections

Similar questions

F e C r_{2} O_{4}

F e C r_{2} O_{4}

C O_{2}

N a O H

Join BYJU'S Learning Program