CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

What is the oxidation number of Cr in Na2Cr2O7?

A
6
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
16
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
10
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A 6
Oxidation state of Na is +1 and oxygen is -2.
Thus,
2×(+1)+2×(x)+7×(2)=02+2x14=02x12=0x=+6

Hence, option (b) is correct.

flag
Suggest Corrections
thumbs-up
27
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Nature of Reactant and Rate of Reaction
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon