Chemistry, asked by lihashbalusamy, 1 month ago

Which of the following is single displacement reaction.(1)
(i) Pb + H3PO4  H2 + Pb3(PO4)2
(ii) CaCO3  CaO + CO2
(iii)HBr +Al(OH)3  H2O + AlBr3
(iv) H2+O2  H20

Answers

Answered by ashok980123

0

Answer:

option (i) Pb + H3PO4  H2 + Pb3(PO4)2 , is the right ans..

Explanation:

As here hydrogen is displaced by lead as lead is more reactive than hydrogen..
Hope! it's going to help you..

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