TS EAMCET · Chemistry · p Block Elements (Group 13 & 14)
\(A\) and \(B\) are formed when borax is dissolved in water. \(C\) and \(B\) are formed when borax is reacted with aqueous \(\mathrm{HCl}\) solution. What are \(A\) and \(C\) respectively?
- A \(\mathrm{NaCl}, \mathrm{NaOH}\)
- B \(\mathrm{NaOH}, \mathrm{NaCl}\)
- C \(\mathrm{NaBO}_2, \mathrm{NaCl}\)
- D \(\mathrm{NaOH}, \mathrm{NaBO}_2\)
Answer & Solution
Correct Answer
(B) \(\mathrm{NaOH}, \mathrm{NaCl}\)
Step-by-step Solution
Detailed explanation
The reaction of borax \(\left(\mathrm{Na}_2 \mathrm{~B}_4 \mathrm{O}_7\right)\) with water occurs as follows: Hence, \((A)=\mathrm{NaOH}\) and \((C)=\mathrm{NaCl}\) (C) Hence, option (b) is the correct answer.
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