06. Application of Kp and Kc
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Chemical Equilibrium

229274 For a chemical reaction $A+B \quad C$, the thermodynamic equilibrium constant $K_{p}$ is

1 in $\mathrm{atm}^{-2}$
2 in $\mathrm{atm}^{-3}$
3 in $\mathrm{atm}^{-1}$
4 dimensionless
JCECE - 2011
Chemical Equilibrium

229281 For the decomposition reaction of lime stone, the correct expression for rate constant, $K_{p}$ is

1 $\mathrm{K}_{\mathrm{p}}=\frac{\mathrm{P}_{\mathrm{CaO}} \cdot \mathrm{P}_{\mathrm{CO}_{2}}}{\mathrm{P}_{\mathrm{CaCO}_{3}}}$
2 $\mathrm{K}_{\mathrm{p}}=\frac{[\mathrm{CaO}]\left[\mathrm{CO}_{2}\right]}{\left[\mathrm{CaCO}_{3}\right]}$
3 $\mathrm{K}_{\mathrm{p}}=\frac{\mathrm{P}_{\mathrm{CaO}}+\mathrm{P}_{\mathrm{CO}_{2}}}{\mathrm{P}_{\mathrm{CaCO}_{3}}}$
4 $\mathrm{K}_{\mathrm{p}}=\mathrm{P}_{\mathrm{CO}_{2}}$
UPTU/UPSEE-2010
Chemical Equilibrium

229292 At constant temperature, the equilibrium constant $\left(K_{p}\right)$ for decomposition reaction $\mathrm{N}_{2} \mathrm{O}_{4}$ $2 \mathrm{NO}_{2}$ is expressed by $K_{p}=\left(4 x^{2} P\right) /\left(1-x^{2}\right)$, where, $\mathbf{P}=$ pressure; $\mathbf{x}=$ extent of decomposition, which one of the following statement is true?

1 $K_{p}$ increases with increase of $P$ ?
2 $K_{p}$ increases with increase of $x$.
3 $K_{p}$ increases with decrease of $x$.
4 $K_{p}$ remains constant with change in $P$ and $x$.
SRMJEEE - 2008
Chemical Equilibrium

229285 In an equilibrium reaction, if $\Delta \mathrm{n}_{\mathrm{g}}$ is positive then

1 $\mathrm{K}_{\mathrm{c}}=\mathrm{K}_{\mathrm{p}}$
2 $\mathrm{K}_{\mathrm{c}}<\mathrm{K}_{\mathrm{p}}$
3 $\mathrm{K}_{\mathrm{c}}>\mathrm{K}_{\mathrm{p}}$
4 $\mathrm{K}_{\mathrm{c}}=0$
SRMJEEE - 2009
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Chemical Equilibrium

229274 For a chemical reaction $A+B \quad C$, the thermodynamic equilibrium constant $K_{p}$ is

1 in $\mathrm{atm}^{-2}$
2 in $\mathrm{atm}^{-3}$
3 in $\mathrm{atm}^{-1}$
4 dimensionless
JCECE - 2011
Chemical Equilibrium

229281 For the decomposition reaction of lime stone, the correct expression for rate constant, $K_{p}$ is

1 $\mathrm{K}_{\mathrm{p}}=\frac{\mathrm{P}_{\mathrm{CaO}} \cdot \mathrm{P}_{\mathrm{CO}_{2}}}{\mathrm{P}_{\mathrm{CaCO}_{3}}}$
2 $\mathrm{K}_{\mathrm{p}}=\frac{[\mathrm{CaO}]\left[\mathrm{CO}_{2}\right]}{\left[\mathrm{CaCO}_{3}\right]}$
3 $\mathrm{K}_{\mathrm{p}}=\frac{\mathrm{P}_{\mathrm{CaO}}+\mathrm{P}_{\mathrm{CO}_{2}}}{\mathrm{P}_{\mathrm{CaCO}_{3}}}$
4 $\mathrm{K}_{\mathrm{p}}=\mathrm{P}_{\mathrm{CO}_{2}}$
UPTU/UPSEE-2010
Chemical Equilibrium

229292 At constant temperature, the equilibrium constant $\left(K_{p}\right)$ for decomposition reaction $\mathrm{N}_{2} \mathrm{O}_{4}$ $2 \mathrm{NO}_{2}$ is expressed by $K_{p}=\left(4 x^{2} P\right) /\left(1-x^{2}\right)$, where, $\mathbf{P}=$ pressure; $\mathbf{x}=$ extent of decomposition, which one of the following statement is true?

1 $K_{p}$ increases with increase of $P$ ?
2 $K_{p}$ increases with increase of $x$.
3 $K_{p}$ increases with decrease of $x$.
4 $K_{p}$ remains constant with change in $P$ and $x$.
SRMJEEE - 2008
Chemical Equilibrium

229285 In an equilibrium reaction, if $\Delta \mathrm{n}_{\mathrm{g}}$ is positive then

1 $\mathrm{K}_{\mathrm{c}}=\mathrm{K}_{\mathrm{p}}$
2 $\mathrm{K}_{\mathrm{c}}<\mathrm{K}_{\mathrm{p}}$
3 $\mathrm{K}_{\mathrm{c}}>\mathrm{K}_{\mathrm{p}}$
4 $\mathrm{K}_{\mathrm{c}}=0$
SRMJEEE - 2009
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Chemical Equilibrium

229274 For a chemical reaction $A+B \quad C$, the thermodynamic equilibrium constant $K_{p}$ is

1 in $\mathrm{atm}^{-2}$
2 in $\mathrm{atm}^{-3}$
3 in $\mathrm{atm}^{-1}$
4 dimensionless
JCECE - 2011
Chemical Equilibrium

229281 For the decomposition reaction of lime stone, the correct expression for rate constant, $K_{p}$ is

1 $\mathrm{K}_{\mathrm{p}}=\frac{\mathrm{P}_{\mathrm{CaO}} \cdot \mathrm{P}_{\mathrm{CO}_{2}}}{\mathrm{P}_{\mathrm{CaCO}_{3}}}$
2 $\mathrm{K}_{\mathrm{p}}=\frac{[\mathrm{CaO}]\left[\mathrm{CO}_{2}\right]}{\left[\mathrm{CaCO}_{3}\right]}$
3 $\mathrm{K}_{\mathrm{p}}=\frac{\mathrm{P}_{\mathrm{CaO}}+\mathrm{P}_{\mathrm{CO}_{2}}}{\mathrm{P}_{\mathrm{CaCO}_{3}}}$
4 $\mathrm{K}_{\mathrm{p}}=\mathrm{P}_{\mathrm{CO}_{2}}$
UPTU/UPSEE-2010
Chemical Equilibrium

229292 At constant temperature, the equilibrium constant $\left(K_{p}\right)$ for decomposition reaction $\mathrm{N}_{2} \mathrm{O}_{4}$ $2 \mathrm{NO}_{2}$ is expressed by $K_{p}=\left(4 x^{2} P\right) /\left(1-x^{2}\right)$, where, $\mathbf{P}=$ pressure; $\mathbf{x}=$ extent of decomposition, which one of the following statement is true?

1 $K_{p}$ increases with increase of $P$ ?
2 $K_{p}$ increases with increase of $x$.
3 $K_{p}$ increases with decrease of $x$.
4 $K_{p}$ remains constant with change in $P$ and $x$.
SRMJEEE - 2008
Chemical Equilibrium

229285 In an equilibrium reaction, if $\Delta \mathrm{n}_{\mathrm{g}}$ is positive then

1 $\mathrm{K}_{\mathrm{c}}=\mathrm{K}_{\mathrm{p}}$
2 $\mathrm{K}_{\mathrm{c}}<\mathrm{K}_{\mathrm{p}}$
3 $\mathrm{K}_{\mathrm{c}}>\mathrm{K}_{\mathrm{p}}$
4 $\mathrm{K}_{\mathrm{c}}=0$
SRMJEEE - 2009
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NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Chemical Equilibrium

229274 For a chemical reaction $A+B \quad C$, the thermodynamic equilibrium constant $K_{p}$ is

1 in $\mathrm{atm}^{-2}$
2 in $\mathrm{atm}^{-3}$
3 in $\mathrm{atm}^{-1}$
4 dimensionless
JCECE - 2011
Chemical Equilibrium

229281 For the decomposition reaction of lime stone, the correct expression for rate constant, $K_{p}$ is

1 $\mathrm{K}_{\mathrm{p}}=\frac{\mathrm{P}_{\mathrm{CaO}} \cdot \mathrm{P}_{\mathrm{CO}_{2}}}{\mathrm{P}_{\mathrm{CaCO}_{3}}}$
2 $\mathrm{K}_{\mathrm{p}}=\frac{[\mathrm{CaO}]\left[\mathrm{CO}_{2}\right]}{\left[\mathrm{CaCO}_{3}\right]}$
3 $\mathrm{K}_{\mathrm{p}}=\frac{\mathrm{P}_{\mathrm{CaO}}+\mathrm{P}_{\mathrm{CO}_{2}}}{\mathrm{P}_{\mathrm{CaCO}_{3}}}$
4 $\mathrm{K}_{\mathrm{p}}=\mathrm{P}_{\mathrm{CO}_{2}}$
UPTU/UPSEE-2010
Chemical Equilibrium

229292 At constant temperature, the equilibrium constant $\left(K_{p}\right)$ for decomposition reaction $\mathrm{N}_{2} \mathrm{O}_{4}$ $2 \mathrm{NO}_{2}$ is expressed by $K_{p}=\left(4 x^{2} P\right) /\left(1-x^{2}\right)$, where, $\mathbf{P}=$ pressure; $\mathbf{x}=$ extent of decomposition, which one of the following statement is true?

1 $K_{p}$ increases with increase of $P$ ?
2 $K_{p}$ increases with increase of $x$.
3 $K_{p}$ increases with decrease of $x$.
4 $K_{p}$ remains constant with change in $P$ and $x$.
SRMJEEE - 2008
Chemical Equilibrium

229285 In an equilibrium reaction, if $\Delta \mathrm{n}_{\mathrm{g}}$ is positive then

1 $\mathrm{K}_{\mathrm{c}}=\mathrm{K}_{\mathrm{p}}$
2 $\mathrm{K}_{\mathrm{c}}<\mathrm{K}_{\mathrm{p}}$
3 $\mathrm{K}_{\mathrm{c}}>\mathrm{K}_{\mathrm{p}}$
4 $\mathrm{K}_{\mathrm{c}}=0$
SRMJEEE - 2009