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Study of Compounds - Hydrogen Chloride — Chemistry STD 10 — Question

ICSE BoardEnglish MediumSTD 10ChemistryStudy of Compounds - Hydrogen Chloride1 Mark
MCQ
Effect of hydrochloric acid on methyl orange is represented by:
  • A
    Colour change from orange to red
  • B
    Colour change from red to orange
  • C
    Colour change from pink to colourless
  • D
    Colour change from colourless to pink
✓

Answer

A. Colour change from orange to red
Explanation: Hydrochloric acid liberates $H ^{+}$ions as it is acidic in nature. This leads to a change in the colour of methyl orange from orange to red.

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