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X, Y and Z react in the 1:1:1 stoichiome...

X, Y and Z react in the `1:1:1` stoichiometric ratio.
The concentration of X, Y and Z we are found to vary with time as shown in the figure below:

Which of the following equilibrium reaction represents the correct variation of concentration with time?

A

`X(g)+Y(g) hArr Z(g)`

B

`X(g)+Y(s) hArr Z(g)`

C

`Z(g)+Y(g) hArr X(g)`

D

`Z(g)+X(g) hArr Y(g)`

Text Solution

Verified by Experts

The correct Answer is:
C
The concentration of `[Y]`
is constant `rArr y` must be solid. The concentration of `X` decreases white the concentration of `Z` increases.
Therefore `X` must be reactant and `Z` must be product.
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