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An unknown compound A (Mn(x)O(y)) compo...

An unknown compound A `(Mn_(x)O_(y))` composed of manganese and oxygen , has 36.7% oxygen by weight. When 8.7 g of A is heated with HCl it liberates `Cl_(2)` gas as per the following reaction:
`Mn_(x)O_(y) +HCl rarr MnCl_(2)+Cl_(2)+H_(2)O` (unbalanced)
The simplest formula of A is:

A

MnO

B

`MnO_(2)`

C

`Mn_(2)O_(3)`

D

`Mn_(3)O_(4)`

Text Solution

Verified by Experts

The correct Answer is:
B
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GRB PUBLICATION-MOLE CONCEPT, STOICHIOMETRY & CONCENTRATION TERMS-Comprehension#57
  1. An unknown compound A (Mn(x)O(y)) composed of manganese and oxygen , ...

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