TS EAMCET · Chemistry · General Principles and Processes of Isolation of Metals
Kernite and cryolite are the minerals of two elements X and \(\mathrm{Z}\). Respectively \(\mathrm{X}\) and \(\mathrm{Z}\) are
- A \(\mathrm{B}, \mathrm{Ga}\)
- B \(\mathrm{B}, \mathrm{Al}\)
- C \(\mathrm{Al}\), In
- D \(\mathrm{B}, \mathrm{Tl}\)
Answer & Solution
Correct Answer
(B) \(\mathrm{B}, \mathrm{Al}\)
Step-by-step Solution
Detailed explanation
Kernite \(=\mathrm{Na}_2 \mathrm{~B}_4 \mathrm{O}_6(\mathrm{OH})_2 \cdot 3 \mathrm{H}_2 \mathrm{O}\) Cryolite \(=\mathrm{Na}_3 \mathrm{AlF}_6\)
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