Which of the following reactions is the metal displacement reaction? Choose the right option.

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Chemistry NCERT Exemplar Solutions Class 11th Chapter Eleven States of Matter Ncert Solutions Chemistry Class 11th Chemistry Class 11th

Which of the following reactions is the metal displacement reaction? Choose the right option.

Option 1 -

2KClO₃ → 2KCl + 3O₂

Option 2 -

2KClO₃ → 2KCl + 3O₂

Option 3 -

Fe + 2HCl → FeCl₂ + H₂ ↑

Option 4 -

2 Pb(NO₃)₂ → 2PbO + 4NO₂ + O₂ ↑

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1 Answer

Answered by

Vishal Baghel | Contributor-Level 10

a month ago

Correct Option - 2

Detailed Solution:

Aluminium is more electropositive than Cr, so it displaced chromium from Cr? O?
Cr? O? + Al - (Δ)-> Al? O? + Cr

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