1.

{:(MnO_(2) + HCl overset(Delta)rarr A(g)),(A(g) + F_(2)(excess)overset(573 K)rarr B(g)),(B(l) + U(s) rarr 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) + 4 HCl rarr MnCl_(2) + underset((A))(Cl_(2))(g) + 2H_(2)O),(Cl_(2)(g) + 3F_(2)(EXCESS) overset(573 K)rarr underset((B))(2ClF_(3))(g)),(3ClF_(3)(l) + U(s) overset(Delta)rarr underset((C))(UF_(6))(g) + 3 underset((D))(ClF)(g)):}`
The gases (A), (B), (C) and (D) are `Cl_(2), ClF_(3), UF_(6) and ClF` respectively, i.e., option (b) is correct.


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