Question

Bleaching powder reacts with a few drops of conc. HCI to give

• A. chlorine
• B. hypochlorous acid
• C. calcium oxide
• D. oxygen

Answer 1

Answer: (A)

When bleaching powder reacts with HCl, it form chlorine gas
$CaOC{l}_2+2HC1⟶CaC{l}_2-H_{2}O+C{l}_2$