Home
Class 11
CHEMISTRY
When H2 and I2 are mixed and equilibrium...

When `H_2` and `I_2` are mixed and equilibrium is attained, then

A

Amount of HI formed is equal to the amount of `H_2` dissociated

B

`HI` dissociation stops

C

the reaction stops completely

D

Both forward and backward reactions proceed with same rate

Text Solution

Verified by Experts

The correct Answer is:
D

Chemical equilibrium is dynamic
Promotional Banner

Similar Questions

Explore conceptually related problems

Consider the following reaction in a 1 L closed vessel. N_2 + 3H_2 iff NH_3 If all the species: N_2, H_2 and NH_3 are in 1 mol in the beginning of the reaction and equilibrium is attained after unreacted N_2 is 0.7 mol. What is the value of equilibrium constant?

Steam is passed over hot carbon to attain the equilibrium at 400k. C_(s) + H_(2)O_((g)) hArr CO_((g)) + H(2(g)) . The equilibrium constant k = 1.34 (dimensionless) and the total pressure of the equilibrium mixture is 200 k.pa. Which one is correct when equilibrium is attained

For the equilibrium in gaseous phase in 2 lit flask we start with 2 moles of SO_(2) and 1 mole of O_(2) at 3 atm, 2SO_(2(g)) + O_(2(g)) hArr 2SO_(3(g)) . When equilibrium is attained, pressure changes to 2.5 atm. Hence, equilibrium constant K_(c) is :

For the reaction, N_(2) + 3H_(2) hArr 2NH_(3) in a vessel, equal moles of N_(2) and H_(2) are mixed to attain equilibrium.

Describe the equilibrium state and its attainment.

i) H_3PO_(4(aq)) iff H^ _(aq)+ H_2PO_(4(aq))^- ii) H_2PO_(4(aq))^- iff H^ +(aq)+ H_2PO_(4(aq))^(2-) . iii) H_2PO_(4(aq))^(2-) iff H^ +(aq)+ PO_(4(aq))^(3-) . The equilibrium constantsfor the above reactions at a certain temperature are K_1, K_2 and K_3 respectively. The equilibrium constant for the reaction. H_3PO_4(aq) iff 3H^ +(aq)+ PO_(4(aq))^(3-) in terms K_1, K_2 and K_3 is