JEE Main Chemistry question

Not in JEE Main or NEET syllabus

Potassium has a bcc structure with nearest neighbour distance 4.52 Å. Its atomic weight is 39. Its density will be:

Answer: (D)

Solution

For a bcc lattice, the nearest-neighbour distance is , so Å cm. With , \dfrac{ZM}{N_Aa^3}\dfrac{2×39}{6.02×10^{23}×(5.219×10^{-8})^3}$ =

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-141694