1.

When a brown compound of Mn (A) is treated with HCI, it gives a gas (B). The gas (B) taken in excess reacts with NH_3 to give an explosive compound (C). The compounds A, B and C are

Answer»

`A= MnO_(2)`, `B= Cl_(2)`, `C=NCl_(3)`
A= MnO, `B=Cl_(2)`, `C=NH_(3)Cl`
`A= Mn_(3)O_(4)`, `B= Cl_(2)`, `C= NCl_(3)`
`A= MnO_(3)`, `B=Cl_(2)`= `C= NCl_(2)`

Solution : `MnO_(2)+4HClrightarrowCl_(2)+MnCl_(2)+2H_(2)O`
`3Cl_(2)NH_(3)rightarrow Ncl_(3)+3HCl`


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