CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
Question

If NA is the Avogadros number then number of valence electrons in 4.2 g of nitride ions N3 is _________.

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

The correct option is B 2.4 NA
No of moles =4.214=0.3 mol
0.3mol=0.3×NA ions
=8×0.3×NA electrons
=2.4NA electrons
Because each ion contains 5+3=8e


flag
Suggest Corrections
thumbs-up
3
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Mole and Mass
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon