Home
Class 12
CHEMISTRY
When reaction is carried out at standard...

When reaction is carried out at standard states then at the equilibrium :

A

zero

B

positive

C

negative

D

not definite.

Text Solution

Verified by Experts

The correct Answer is:
A

When a cell reaction attains equilibrium EMF of the cell becomes zero.
Promotional Banner

Similar Questions

Explore conceptually related problems

When reaction is at standard state at equilibrium, then

The equilibrium of formation of phosgene is represented as : CO(g)+Cl_(2)(g)hArrCOCl_(2)(g) The reaction is carried out in a 500 mL flask. At equilibrium, 0.3 mol of phosgene, 0.1 mol of CO , and 0.1 mol of Cl_(2) are present. The equilibrium constant of the reaction is

The state of equilibrium refers to

The state of equilibrium refers to

If chemical equilibrium is attained at standard states then what is the value of DeltaG^(@) ?

Derive an expression relating standard e.m.f. of the cell with the equilibrium constant of the cell reaction.

A hydrogenation reaction is carried out at 500 K . If the same reaction is carried out in the presence of a catalyst at the same rate, the temperature required is 400 K . Calculate the activation energy of the reaction if the catalyst lowers the activation barrier by 20 kJ mol^(-1) .

A reaction is carried out at 600 K . If the same reaction is carried out in the presence of catalyst at the same rate and same frequency factor, the temperature required is 500 K . What is the activation energy of the reaction, if the catalyst lowers the activation energy barrier by 20 KJ//mol ?

When a system is in equilibrium state

Rate of a reaction increases by 10^6 times when a reaction is carried out in presence of enzyme catalyst at same temperature. Determine change in activation energy.