Unit of equilibrium constant is:

Question

Unit of equilibrium constant is:

Answer 1

Let us suppose the equation reaction :-
$a A + b B ⇌ c C + d D$

$K_{e q} = \frac{[ C ] ^{c} [ D ] ^{d}}{[ A ] ^{a} [ B ] ^{b}}$

Unit of $K_{e q} = \frac{( m o l / L ) ^{d} . ( m o l / L ) ^{c}}{( m o l / L ) ^{a} ( m o l / L ) ^{b}}$
$= (m o l / L)^{(c + d) - (a + b)}$

$= (m o l / L)^{△ n}$

$△ n =$ no. of moles of (products - reactants)

Answer 2

Let us suppose the equation reaction :-

a A + b B ⇌ c C + d D

K_{e q} = \frac{[ C ] ^{c} [ D ] ^{d}}{[ A ] ^{a} [ B ] ^{b}}

Unit of

K_{e q} = \frac{( m o l / L ) ^{d} . ( m o l / L ) ^{c}}{( m o l / L ) ^{a} ( m o l / L ) ^{b}}

= (m o l / L)^{(c + d) - (a + b)}

= (m o l / L)^{△ n}

△ n =

no. of moles of (products - reactants)

Unit of equilibrium constant is:

$(m o l / L)^{1 - n}$

$(m o l / L)^{Δ n}$

$(a t m)^{Δ n}$

all of the above

Answer

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IIT JEE O P Tondon & A.S Singh Chemistry Chapter 9

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1 mole of nitrogen and 3 moles of $P C l_{5}$ are placed in 100lit vessel heated to $22 7^{C}$ . The equilibrium pressure is 2.05 atm. Assuming ideal behaviour, calculate the degree of dissociation for $P C l_{5}$ and $K_{P}$ for the reaction,

For an equilibrium change involving gaseous phase, the forward reaction is first order while the reverse reaction is second order. The unit of $K_{p}$ for the forward equilibrium is :

If $K_{1}, K_{2}, K_{3}$ are equilibrium constant for formation of $A D_{1}, A D_{2}, A D_{3}$ , respectively as follows $A + D ⇌ A D_{1}$ , $A D_{1} + D ⇌ A D_{2}, A D_{2} + D ⇌ A D_{3}$ . Then equilibrium constant 'K' for $A + 3 D ⇌ A D_{3}$ is related as:

For the homogeneous reaction,
$4 N H_{3} + 5 O_{2} ⇌ 4 N O + 6 H_{2} O$

The equilibrium constant $K_{c}$ has the units:

What are the units of equilibrium constant ( $k_{c}$ ) for the following reaction?
$C_{(s)} + O_{2 (g)} ⇌ C O_{2 (g)}$

If $K_{c}$ for the formation of ammonia is 2 $m o l^{- 2} L^{2}, K_{c}$ for the decomposition of ammonia is:

The unit of equilibrium constant for the following reaction is:
$2 N O_{2} (g) ⇌ N_{2} O_{4} (g)$

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Unit of equilibrium constant is:

(mol/L)1−n

(mol/L)Δn

(atm)Δn

all of the above

Let us suppose the equation reaction :-aA+bB⇌cC+dD Keq​=[A]a[B]b[C]c[D]d​ Unit of Keq​=(mol/L)a(mol/L)b(mol/L)d.(mol/L)c​=(mol/L)(c+d)−(a+b) =(mol/L)△n △n= no. of moles of (products - reactants)

Practice important Questions

IIT JEE O P Tondon & A.S Singh Chemistry Chapter 9

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1 mole of nitrogen and 3 moles of PCl5​ are placed in 100lit vessel heated to 227C. The equilibrium pressure is 2.05 atm. Assuming ideal behaviour, calculate the degree of dissociation for PCl5​ and KP​ for the reaction,

For an equilibrium change involving gaseous phase, the forward reaction is first order while the reverse reaction is second order. The unit of Kp​ for the forward equilibrium is :

If K1​,K2​,K3​ are equilibrium constant for formation of AD1​,AD2​,AD3​, respectively as follows A+D⇌AD1​, AD1​+D⇌AD2​,AD2​+D⇌AD3​. Then equilibrium constant 'K' for A+3D⇌AD3​ is related as:

For the homogeneous reaction, 4NH3​+5O2​⇌4NO+6H2​O The equilibrium constant Kc​ has the units:

What are the units of equilibrium constant (kc​) for the following reaction? C(s)​+O2(g)​⇌CO2(g)​

If Kc​ for the formation of ammonia is 2 mol−2 L2,Kc​ for the decomposition of ammonia is:

The unit of equilibrium constant for the following reaction is: 2NO2​(g)⇌N2​O4​(g)

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$(m o l / L)^{1 - n}$

$(m o l / L)^{Δ n}$

$(a t m)^{Δ n}$

1 mole of nitrogen and 3 moles of $P C l_{5}$ are placed in 100lit vessel heated to $22 7^{C}$ . The equilibrium pressure is 2.05 atm. Assuming ideal behaviour, calculate the degree of dissociation for $P C l_{5}$ and $K_{P}$ for the reaction,

For an equilibrium change involving gaseous phase, the forward reaction is first order while the reverse reaction is second order. The unit of $K_{p}$ for the forward equilibrium is :

If $K_{1}, K_{2}, K_{3}$ are equilibrium constant for formation of $A D_{1}, A D_{2}, A D_{3}$ , respectively as follows $A + D ⇌ A D_{1}$ , $A D_{1} + D ⇌ A D_{2}, A D_{2} + D ⇌ A D_{3}$ . Then equilibrium constant 'K' for $A + 3 D ⇌ A D_{3}$ is related as:

For the homogeneous reaction,
$4 N H_{3} + 5 O_{2} ⇌ 4 N O + 6 H_{2} O$

The equilibrium constant $K_{c}$ has the units:

What are the units of equilibrium constant ( $k_{c}$ ) for the following reaction?
$C_{(s)} + O_{2 (g)} ⇌ C O_{2 (g)}$

If $K_{c}$ for the formation of ammonia is 2 $m o l^{- 2} L^{2}, K_{c}$ for the decomposition of ammonia is:

The unit of equilibrium constant for the following reaction is:
$2 N O_{2} (g) ⇌ N_{2} O_{4} (g)$