The ionization constant of HCN is 4.5 × 10–10 at 298 K. Hydrolysis constant of sodium cyanide is
The ionization constant of HCN is 4.5 × 10–10 at 298 K. Hydrolysis constant of sodium cyanide is
Option 1 -
1.11 * 10–6
Option 2 -
3.33 * 10–4
Option 3 -
2.22 * 10–5
Option 4 -
4.44 * 10–7
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1 Answer
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Correct Option - 3
Detailed Solution:
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0.01 M NaOH,
M = 1 * 10-2
pOH = 2
pH = 2
Kp = Kc (RT)Dng
36 * 10–2 = Kc (0.0821 * 300)–1
Kc = 0.36 * 0.0821 * 300 = 8.86 » 9
A(g) ->B(g) + (g)
Initial moles n 0 0
Eqb. moles n(1 – a) na
total moles =
Eqb. pressure
On increasing pressure, equilibrium moves in that direction where number of gaseous moles decreases.
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