Fe 2 O 3 + 2Al → Al 2 O 3 + 2Fe

The above reaction is an example of a

(a) combination reaction.

(b) double displacement reaction.

(c) decomposition reaction.

(d) displacement reaction.

Answer

(d) displacement reaction

 

Explanation

Reaction in which a more reactive element takes the place of a less reactive element in a chemical compound is called Displacement Reaction.

 

Fe 2 O 3 + 2Al → Al 2 O 3 + 2Fe

 

In the above reaction, 

Al displaces Fe from it’s compound Fe 2 O 3 and forms Al 2 O 3 .

(Since Al is more reactive than Fe, and is above Fe in the reactivity series)

K

Na

Ba

Ca

Mg

Al

Zn

Fe

Ni

Sn

Pb

H

Cu

Hg

Ag

Au

Pt

 

Hence, it’s a Displacement Reaction.

  1. Class 10
  2. Chapter 1 Class 10 - Chemical Reactions and Equations (Term 1)

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CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo