JEE CHEMISTRY MCQ: P-BLOCK ELEMENTS

1 Medium

1 of 1

Analyzing +4 | -1

An orange solid

(X)

on heating gives a colourless gas (y) and only a green residue (z). Gas (y) on treatment with

{Mg}

produces a white solid substance:-

View answer and explanation

Correct option: A

{Mg}_3 {N}_2

The correct answer is A (

{Mg}_3 {N}_2

) because the orange solid is ammonium dichromate which decomposes to nitrogen gas, and nitrogen reacts with magnesium to form magnesium nitride.

More Questions from P-BLOCK ELEMENTS

Practice All Chapter MCQs →

17^{\text {th }}

{O}_2

{O}_2

\mathrm{C}{\mathrm{N}^ - }

{\mathrm{N}_2}

\mathrm{C}{\mathrm{N}^ - },\mathrm{\;}{\mathrm{N}_2}

2 {Fe}^{3+}+{SO}_2+2 {H}_2 {O} \rightarrow 2 {Fe}^{2+}+{SO}_4^{2-}+4 {H}^{+}

{H}_2 {~S}_2 {O}_8

{S}={O}

{S}-{OH}

{O}-

{O}

{NH}_3

{H}_2 {SO}_4

{H}_2 {SO}_4