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Surface Chemistry — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistrySurface Chemistry1 Mark
MCQ
Which one of the following is an example tar an autocalalysis?
  • A
    $4 CHCl _3+3 O _2 \underset{\ {}}{\stackrel{ C _2 H _5 OH }{\longrightarrow}} 4 COCl _2+2 H _2 O +2 Cl _2$
  • B
    $2 H _2+ O _2 \stackrel{ Co }{\longrightarrow} 2 H _2 O$
  • C
    $2 H _2 O _2 \stackrel{\text { Ethanol }}{\longrightarrow} 2 H _2 O + O _2$
  • ✓
    $2 AsH _3 \longrightarrow 2 As +3 H _2$
✓

Answer

Correct option: D.
$2 AsH _3 \longrightarrow 2 As +3 H _2$
$2 AsH _3 \longrightarrow 2 As +3 H _2$

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