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The p-Block Elements — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryThe p-Block Elements1 Mark
MCQ
Borax is used as cleansing agent because on dissolving in water it forms:
  • ✓
    Alkaline solution.
  • B
    Acidic solution.
  • C
    Bleaching solution.
  • D
    Colloidal solution.
✓

Answer

Correct option: A.
Alkaline solution.
$\text{Na}_2\text{B}_4\text{O}_7:10\text{H}_2\text{O}+6\text{H}_2\text{O}\rightarrow\\2\text{NaOH}+4\text{H}_3\text{BO}_3+10\text{H}_2\text{O}\\\ \ ^\text{(Strong)}\ \ \ \ \ \ \ ^\text{(Weak)}$

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