Question
Explain relationship between $E _{\text {cell }}^{\circ}$ and equilibrium constant with the help of Nernst equation.

Answer

self

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

Similar questions

  1. Account for the following:
i. Mn shows the highest oxidation state of +7 with oxygen but with fluorine it shows the highest oxidation state of +4 .
ii. $Cr ^{2+}$ is a strong reducing agent.
iii. $Cu ^{2+}$ salts are coloured while $Zn ^{2+}$ salts are white.
  1. Complete the following equations:
    1. $2\text{MnO}_{2} + 4\text{KOH} + \text{O}_{2} \xrightarrow{\Delta}$
    2. $\text{Cr}_{2}\text{O}^{2-}_{7}+ 14\text{H}^{+} + 6\text{I}^{-}\rightarrow.$
Write the $S _{ N } 1$ mechanism of unimolecular nucleophilic substitution reaction.
Explain the structure of different disaccharides.
$(a).$ A purple colour compound $A,$ which is a strong oxidising agent and used for bleaching of wool, cotton, silk and other textile fibres was added to each of the three test tubes along with $H_2SO_4.$ It was followed by strong heating.
Image
In which of the above test tubes; $A, B$ or $C:$
$(i)$ Violet vapours will be formed
$(ii)$ The bubbles of gas evolved will extinguish a burning matchstick. Write an equation for each of the above observations.
$b.$ A metal ion $M^{n+}$ of the first transition series having $d^5$ configuration combines with three didentate ligands. Assuming $\Delta_0< P:$
$(i)$ Draw the crystal field energy level diagram for the $3d$ orbital of this complex.
$(ii)$ What is the hybridisation of $Mnt$ in this complex and why?
$(iii)$ Name the type of isomerism exhibited by this complex.
$(a).$ While giving intravenous injections to the patients, the doctors take utmost care of the concentration of the solution used. Why is it necessary to check the concentration of the solution?
$(b).$ A solution of phenol was obtained by dissolving $2 \times10^{-2} \ kg$ of phenol in $1 \ kg$ of benzene. Experimentally it was found to be $73\%$ associated. Calculate the depression in the freezing point recorded.

Write the structures of reagents/ organic compounds (A to F) in the following sequence of reactions:
Match the graph given in Column I with the order of reaction given in Column II. More than one item in Column I may link to the same item of Column II.
 
Column I
 
Column II
(i)
 
 
(ii)
(a)
$I^{st}$ order
(iii)
(b)
Zero order
(iv)
   
Match the coordination compounds given in Column I with the central metal atoms given in Column II and assign the correct code:
 
Column I (Coordination Compound)
 
Column II (Central metal atom)
a.
Chlorophyll
1.
Rhodium
b.
Blood pigment
2.
Cobalt
c.
Wilkinson catalyst
3.
Calcium
d.
Vitamin $B_{12}$
4.
Iron
 
 
5.
Magnesium
Code:
  1. A (5), B (4), C (1), D (2).
  2. A (3), B (4), C (5), D (1).
  3. A (4), B (3), C (2), D (1).
  4. A (3), B (4), C (1), D (2).
What is the role of adsorption in heterogenous catalysis?
Due to hectic and busy schedule, Mr. Angad made his life full of tensions and anxiety. He started taking sleeping pills to overcome the depression without consulting the doctor. Mr. Deepak, a close friend of Mr. Angad, advised him to stop taking sleeping pills and suggested to change his lifestyle by doing Yoga, meditation and some physical exercise. Mr. Angad followed his friend’s advice and after few days he started feeling better.
After reading the above passage, answer the following:
  1. What are the values (at least two) displayed by Mr. Deepak?
  2. Why is it not advisable to take sleeping pills without consulting doctor?
  3. What are tranquilizers? Give two examples.