Ammonium dichromate is used in some fireworks. The green-coloured powder blown in the air is (IIT JEE,1997)
A
CrO3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Cr2O3
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
Cr
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
CrO(O2)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is BCr2O3 Ammonium dichromate is used in some fireworks. The green-coloured powder which blows in air is Cr2O3. (NH4)2Cr2O7△→Cr2O3+N2+4H2O