JEE PYQ: P Block Elements Question 59
Question 59 - 2019 (12 Apr Shift 1)
The basic structural unit of feldspar, zeolites, mica, and asbestos is:
(1) $(\text{SiO}_3)^{2-}$
(2) $\text{SiO}_2$
(3) $(\text{SiO}_4)^{4-}$
(4) $-(\text{Si}-\text{O})_n-(\text{R} = \text{Me})$ with R groups
Show Answer
Answer: (3)
Solution
These are examples of silicates, the basic unit of each of them is $\text{SiO}_4^{4-}$.