Home
Class 11
CHEMISTRY
CaCO(3) hArr CaO + CO(2) reaction in a l...

`CaCO_(3) hArr CaO + CO_(2)` reaction in a lime kiln goes to completion because

A

It is a heterogeneous reaction

B

Backward reaction is very slow

C

`CO_2` formed escapes out

D

`K_c` (or) `K_p` has no unit

Text Solution

Verified by Experts

The correct Answer is:
C
Lime kiln is open vessel and gas escapes out
Promotional Banner

Similar Questions

Explore conceptually related problems

K_(p) = 1, For the equilibrium CaCO_(3(s)) hArr CaO_((s)) + CO_(2(g)) . The temperature of the reaction can be given as :

The following are some state ments regarding dissociation of lime stone according to the equation CaCO_(3(s)) hArr CaO_((s)) + CO_(2(g)) : Delta H = 110 kJ. The reaction is carried in a closed vessel. A) The pressure of CO_(2) increases when temperature is inereased. B) The pressure of CO_(2) inereases when temperature is deereased C) The pressure of CO_(2) increases when amount of CaCO_(3) is decreased. The incorrect statements are .

CaCO_(3)rarrCaO+CO_(2) , what type of chemical reaction it is ? Explain.

{:(Lis - I, List -II),((A) H_(2) (g) + I_(2)(g) hArr 2HI(g),(P)"Unaffected by inert gas addition "),((B)CaCO_(3) (s) hArr CaO(s) + CO_(2) (g),(Q)" Forward shift by rise in pressure and backward shift by inert gas addition at constant pressure "),((C) N_(2) (g) + 3H_(2) + (g) hArr 2NH_(3) (g) , (R)" Unaffected by increase in pressure"),((D) PCl_(3) (g) hArr PCl_(3) (g) + Cl_(2) (g) ,(S)"ackward shift by rise in pressure and forward shift by inert gas addition at constant pressure "):}

For CaCO_(3)(S) hArr CaO(s) + CO_(2) (g), Delta H = + Q at equilibrium. to shift equilibrium towards right,

KCIO_(3) on heating decomposes into KCl and O_(2) . If some MnO_(2) is added the reaction goes much faster because :

For CaCO_(3) hArr CaO + CO_(2) , at equilibrium log K_p = 8 - (6400)/(T(k)) . Then temperature at which K_(p) = 1 ?

In the case of CaCO_3 harr CaO+CO_2 , attainment of equilibrium state is noticed with the help of constancy in

CaCO_(3)overset(Delta)underset(1073)rarr CaO+CO_(2) (Reverse reaction takes place). To prevent backward reaction

1 mole CaCO_(3(s)) is heated in 11.2 lit vessel so that equilibrium is established at 819 K. If K_p for CaCO_3 harr CaO + CO_2 at this temperature is 2 atm, equilibrium concentration of CO_2 (in mol- lit^(-1) )