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Chemistry
Which of the following reactions is the metal displacement reaction ? Choose the right option.
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Q. Which of the following reactions is the metal displacement reaction ? Choose the right option.
NEET
NEET 2021
The d-and f-Block Elements
A
$2 KClO _3 \stackrel{\Delta}{\rightarrow} 2 KCl +3 O _2$
4%
B
$Cr _2 O _3+2 Al \stackrel{\Delta}{\rightarrow} Al _2 O _3+2 Cr$
75%
C
$Fe + 2HCl \to FeCl_2 + H_2 \uparrow$
17%
D
$2Pb(NO_3)_2 \to 2PbO + 4NO_2 + O_2 \uparrow$
4%
Solution:
More electropositive element displaces less electropositive metal