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  • Reaction between following pairs will produce hydrogen except :  Option: 1 <img alt="Cu+HCl" src="https://learn.careers360.com/latex-i

Reaction between following pairs will produce hydrogen except :

 

Option: 1

Cu+HCl
 


Option: 2

Fe+H_{2}O(g)


Option: 3

Mg+H_{2}O(hot)

 


Option: 4

Na+Alcohol


Answers (1)

best_answer

 

Chemical Properties -

Reaction with non - metals.

It reacts with N2 to produce NH3

- wherein

Haber's Process

 

 

Chemical Properties -

Reaction with O2

It reacts with O2 to produce H2O.

- wherein

 

 

Chemical Properties -

Reaction with metal.

It reacts with metal to form metal hydride.

- wherein

 

 

 

 

(A)Cu+HCl\rightarrow No \; reaction

(B)3Fe+4H_{2}O\rightarrow Fe_{3}O_{4}+4H_{2}\uparrow

                        steam         magnetic      oxide

(C)Mg+2H_{2}O\rightarrow mg(OH)_{2}+H_{2}

(D)Na+C_{2}H_{5}OH\rightarrow C_{2}H_{5}ONa+H

Posted by

Ritika Kankaria

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