Download App

Equilibrium — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryEquilibrium2 Marks
Question
Consider the following equilibrium:
$\text{CO}_2(\text{g})+\text{C (graphite)}\rightleftharpoons2\text{CO}(\text{g})$
Write the equilibrium expression for Kc and calculate its units.
✓

Answer

$\text{K}_{\text{c}}=\frac{[\text{CO}]^2}{[\text{CO}_2]}=\frac{(\text{mol L}^{-1})^2}{\text{mol L}^{-1}}=\text{mol L}^{-1}$
$\therefore[\text{C (graphite)}]=1$
$\because$ Graphite is pure solid.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "2 Marks Questions" from Equilibrium→Equilibrium — all question types→Chemistry STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

A solution of silver nitrate was stirred with iron rod. Will it cause any change in the concentration of silver and nitrate ions?
→
→
Zn rod is immersed in CuSO4 solution. What will you observe after an hour? Explain your observation in terms of redox reaction.
→
If the photon of the wavelength 150 pm strikes an atom and one of this inner bound electrons is ejected out with a velocity of $1.15 \times 10^7 m s ^{-1}$, calculate the energy with which it is bound to the nucleus.
→
Write structural formulae for compounds named as:
  1. 1-bromoheptane.
  2. 5-bromoheptanoic acid.
→
In elements of second period give reason for difference in properties of Li and Be .
→
Why is ammonia termed as a base though it does not contain OH- ions?
→
  1. Write the conjugate acid for $\text{NH}_2^-\text{ and }\text{NH}_3.$
  2. What is the relationship between pKa and pKb values?
→
(i) The value of ionization enthalpy of phosphorus is greater than the ionization energy of sulphur whereas the atomic size of sulphur is less than that of phosphorus, why?
(ii) Why is the ionization enthalpy of Mn greater than the ionization enthalpy of Cr ?
→
Assign the position of the element having outer electronic configuration.
ns2 np4 for n=3 
→