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A violet compound of manganese (A) decom...

A violet compound of manganese (A) decomposes on heating to liberate oxygen and compounds (B) and (C ) of manganese are formed. Compound (C ) reacts with KOH in the presence of potassium nitrate to give compound (B). On heating compound (C ) with conc. `H_(2)SO_(4)` and NaCl, chlorine gas is liberate and a compound (D) of manganese alongwith other products is formed. Identify compounds A to D and also explain the reaction involved.

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A violet compound of manganese (A) decomposes on heating to liberate oxygen and componds (B) and (C ) of manganese are formed. Compound (C ) reacts with KOH in the presence of potassium nitrate to give compound (B). On heating compound (C ) with conc. H_(2)SO_(4) and NaCl, chlorine gas is liberated and a compound (D) of manganese along with other products is formed. Identify compounds (A)to (D) and also explain the reactions involved.

A violet compound of manganese 'A' decomposes on heating to liberate oxygen and compounds B and C of manganese are formed. Compound C reacts with KOH in the presence of potassium nitrate to give a compound B. On heating compound C with conc. H_(2)SO_(4) and NaCl, chlorine gas is liberated and compound D of manganese alongwith other products is formed. Identify compounds A to D and also explain the reactions involved.

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When an oxide of manganese (A) is fused with KOH in the presence of an oxidising agent and dissolved in water, it gives a dark green solution of compound (B). Compound (B) disproportionates in neutral or acidic (C ) oxidises potassium iodide solution to a compound (D) and compound (A) is also formed. Identify compounds A to D and also explain the reactions involved.