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  • Which of the following elements is reduced when reacting with water?  A) Sodium (Na) B) Calcium (Ca) C) Nitrogen (N) D) Oxygen (O)<stron

Which of the following elements is reduced when reacting with water?
 A) Sodium (Na)
B) Calcium (Ca)
C) Nitrogen (N)
D) Oxygen (O)

Option: 1

A,B,C   


Option: 2

A,B


Option: 3

C,D


Option: 4

A,B,C,D


Answers (1)

best_answer

Active metals like Na Ca \mathrm{\left(\mathrm{E}^{\circ}<-0.41\right)} are oxidized whereas highly electronegative elements like F \mathrm{\left(E^0>+0.82\right)} are reduced by water. 

For example,
The balanced equation for the reaction of sodium with water is:
 2 \mathrm{Na}+2 \mathrm{H}_2 \mathrm{O} \rightarrow 2 \mathrm{NaOH}+\mathrm{H}_2

 

Posted by

Divya Prakash Singh

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