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Question

Question: The equilibrium constant for the following reaction will be. \(K_{sp}\) \(10^{- 15},10^{- 23}10^{- ...

The equilibrium constant for the following reaction will be.

KspK_{sp} 1015,1023102010^{- 15},10^{- 23}10^{- 20}

A

105410^{- 54}

B

AxByA_{x}B_{y}

C

xAy++YBx,KspxA^{y +} + YB^{x -},K_{sp}

D

[Ay+]x[Bx]y\left\lbrack A^{y +} \right\rbrack^{x}\left\lbrack B^{x -} \right\rbrack^{y}

Answer

AxByA_{x}B_{y}

Explanation

Solution

: P4(s)+5O2(g)P_{4(s)} + 5O_{2(g)} P4O10(s)P_{4}O_{10(s)}

Since concentration of solids is taken as 1, expression for equilibrium constant involves only oxygen.

Kc=1[O2]5K_{c} = \frac{1}{\left\lbrack O_{2} \right\rbrack^{5}}