1.

MnO_2 + HCl overset(Delta)to A_((s)) A_((g)) + F_(2"(excess)") overset(573K)to B_((s)) B_((l)) + U_((s)) to C_((g)) + D_((g)) The gases A,B,C and D are respectively

Answer»

`Cl_(2), ClF, UF_(6), ClF_(3)`
`Cl_(2), ClF_(3), UF_(6), ClF`
`O_(2), OF_(2), U_(2)O_(3), O_(2)F_(2)`
`O_(2), O_(2)F_(2), U_(2)O_(3), OF_(2)`

Solution :`MnO_(2)+4HCl overset(DELTA)rarr underset((A))(Cl_(2(g)))+MnCl_(2)+2H_(2)O`
`underset((A))(Cl_(2(g)))+3F_(2("excess")) overset(573K)rarr underset((B))(2ClF_(3(g))`
`underset((B)"")(3ClF_(3(l))+U_((s))) overset(Delta)rarr underset((C)"")(UF_(6(g)))+underset((D)"")(3ClF_(3(g))`


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