A black compound of manganese reacts with a halogen acid to give greenish yellow gas. When excess of this gas reacts with textN textH text3 an unstable trihalide is formed. In this process, The oxidation state of nitrogen changes from

Question

A black compound of manganese reacts with a halogen acid to give greenish yellow gas. When excess of this gas reacts with textN textH text3 an unstable trihalide is formed. In this process, The oxidation state of nitrogen changes from (A)  text0 textto -3  (B)  -3 textto 0  (C)  -3 textto +5  (D)  -3 textto +3

Tardigrade Admin · Accepted Answer

underset textblack mathopMnO2 +4HCl xrightarrowMnCl2+ underset textgreenish textyellow textgas mathop2H2O+Cl2 overset-3 mathopN H3+3Cl2 xrightarrow overset+ 3 mathopN Cl3+3HCl

Q. A black compound of manganese reacts with a halogen acid to give greenish yellow gas. When excess of this gas reacts with $N H_{3}$ an unstable trihalide is formed. In this process, The oxidation state of nitrogen changes from

$0 to - 3$

$- 3 to 0$

$- 3 to + 5$

$- 3 to + 3$

$black M n O_{2} + 4 H Cl M n C l_{2} + greenish yellow gas 2 H_{2} O + C l_{2}$ $N - 3 H_{3} + 3 C l_{2} N + 3 C l_{3} + 3 H Cl$

Q. A black compound of manganese reacts with a halogen acid to give greenish yellow gas. When excess of this gas reacts with NH3​ an unstable trihalide is formed. In this process, The oxidation state of nitrogen changes from

0to−3

−3to0

−3to+5

−3to+3