Question

15. A student writes the balanced chemical equation for the reaction of magnesium with nitrogen as follows .3Mg +2N ->MgN2
a) What is wrong in the equation?
b) Winte the correct balanced equation,
c) Write the physical states of both reactants and product​

Answer 1

Answer:

a) the equation is not balance

b) 3Mg + N2 ------->Mg3N2

c)Mg---- solid

N2---- gas

Mg3N2-----gas

Answer 2

Answer:

(A) In the given equation :- $3Mg+2N$ → $MgN_{2}$

     In place of 2N there will be $N_{2}$

     Magnesium react with $N_{2}$

The equation formed will be

⇒ $3Mg+N_{2}$ → $MgN_{2}$

(B) The correct balanced equation will be

  ⇒$3Mg+3N_{2}$ →$3MgN_{2}$

(C) The physical state of both reactant and product will be

•  3Mg = solid

•  $N_{2}$ = gas

•  $3MgN_{2}$ = powder form at room temperature

Magnesium combines with nitrogen to shape a nitride, which reacts with water to shape a colourless gas.

Magnesium:- Magnesium is a element of bone; in truth 60% of the body's magnesium is saved in bone. It is likewise concerned with the interest of bone-constructing cells and the parathyroid hormone, which regulates calcium levels.

Mg has 2 valence electrons and loses those 2 valence electrons to shape $Mg^{2}$+ ion. N has five valence electrons. It profits three valence electrons to shape N3− ion. To stability charges, three $Mg^{2}$+ ions combines with $N^{3}$− ions to shape $Mg^{3}N^{2}$.

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