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Write the expression for the equilibrium...

Write the expression for the equilibrium constant, `K_c` for each of the following reactions :
(a)`2NOCl(g) hArr 2NO(g)+Cl_2(g)`
(b)`2Cu(NO_3)_2(s) hArr 2CuO(s) +4NO_2(g)`
(c )`CH_3COOC_2H_5 hArr CH_3COOH(aq)+C_2H_5OH(aq)`
(d)`Fe^(3+)(aq) +3OH^(-) (aq) hArr Fe(OH)_3(s)`
(e) `I_2(s) + 5F_2(s) hArr 2IF_5(g)`

Text Solution

Verified by Experts

(a)`2NOCl(g) hArr 2NO(g)+Cl_2(g)`
`K_c=([NO]^2 [Cl_2])/([NOCl]^2)`
(b)`2Cu(NO_3)_2(s) hArr 2CuO(s) +4NO_2(g) +O_2(g)`
`K_c=[NO_2]^4[O_2]`
(c ) `CH_3COOC_2H_5(aq)+H_2O(l) hArr CH_3COOH(aq)+C_2H_5OH(aq)`
`K_c=([CH_3COOH][C_2H_5OH])/([CH_3COOC_2H_5])`
(d)`Fe^(3+)(aq)+3OH^(-)(aq) hArr Fe(OH)_3(s)`
`K_c=1/([Fe^(3+)][OH^-]^3)`
(e) `I_2(s) + 5F_2(g) hArr 2IF_5(g)`
`K_c=([IF_5]^2)/([F_2]^5)`
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