p-Block Elements-I - Result Question 24

24. The value of $n$ in the molecular formula $Be _n Al _2 Si _6 O _{18}$ is

(2010)

Show Answer

Answer:

Correct Answer: 24. $(3)$

Solution:

  1. $Be _n Al _2 Si _6 O _{18}, \quad 2 n+6+24-36=0 \Rightarrow n=3$