Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Main Group Elements – General · Exam: NET JUNE 2019 · Marks: 2 · Difficulty: Medium
The species that results by replacing one quarter of $\mathrm{Si}(\mathrm{IV})$ in pyrophyllite $\left[\mathrm{Al}_{2}(\mathrm{OH})_{2} \mathrm{Si}_{4} \mathrm{O}_{10}\right]$ with Al(III) [charge balance by K(1)] is