Q.

If NA is Avogadro's number then number of valence electrons in 4.2 g of nitride ions N3−

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya

a

2.4  NA

b

4.2  NA

c

1.6  NA

d

3.2  NA

answer is A.

(Unlock A.I Detailed Solution for FREE)

Detailed Solution

Valency shell electronic configuration of ‘N’ - 2S22p3 &  N-3 - 2S22P6 14  gm  N3−  ions  have 8NA  valence  electrons4.2  gm of N3−  ions  have =  8NA ×  4.214  =2.4 NA
Watch 3-min video & get full concept clarity
Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Online Course for IIT JEE
Best Online Course for NEET
Best Online Course for CBSE
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Online Course for IIT JEE
Best Online Course for NEET
Best Online Course for CBSE
whats app icon