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Represent the cell and calculate the Sta...

Represent the cell and calculate the Standard e.m.f. of the cell having following cell reaction: `2Cr(s)+3Cd^(2+)(aq)to 2Cr^(3+)(aq) + 3 Cd(s) E^0 Cr^(3+)//Cr=-0.73 volt` and `E^0 Cd^(2+)//Cd=-0.40` volt

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Calculate the standard emf of the cell having the cell reaction. Zn(s) + Co^(2+) ( aq) rarr Zn^(2+) ( aq) + Co(s) E_(Zn//Zn^(2+)) ^(@) = 0.76V, E_(Co//Co^(2+))^(@) = 0.25V

Calculate the standard cell potential of a galvanic cell in which the following reaction takes place 2Cr(s) + 3Cd^(2+) ( aq) rarr 2Cr^(3+) ( aq) + 3Cd(s) Calculate Delta_( r) G^(@) and equilibrium constant K of the above reaction at 25^(@)C . [Given, E_(Cr^(3+) //Cr)^(@) = - 0.74 V, E_(Cd^(2+)//Cd)^(@) = - 0.40V, 1F = 96500 C "mol"^(-1)]

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Calculate the half cell potential at 25^@C for the cell reaction Cu^(2+)(aq)+2erarrCu , When [Cu^(2+)]=4M and E^@(Cu^(2+)//Cu)=0.34V .

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MODERN PUBLICATION-SAMPLE PAPER 2012-EXERCISE
  1. Write the name of two antibiotic drugs.

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  2. Why is the solution containing sodium acetate and acetic acid called a...

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  3. Represent the cell and calculate the Standard e.m.f. of the cell havin...

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  4. Why hydrofluoric acid is the weakest of all the halogen acids ?

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  5. What is the action of ozone with lead sulphide? Give equation.

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  6. H2S cannot be dried by passing over conc. H2SO4 because:

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  7. What happens when SnCl2 solution is added to CuCl2 solution ?

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  8. Sodium acetate solution is alkaline. Give reason.

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  9. State KohIrausch’s law.

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  10. How is benzene converted to toluene ?

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  11. What is the action of benzaldehyde with HCN ?

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  12. What happens when ethyl acetate is treated with sodium ethoxide and et...

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  13. Why aniline is less basic than methyl amine?

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  14. What are organometallic compounds? Give two examples.

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  15. What happens when propionic acid is treated with thionyl chloride?

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  16. What is Riemer-Tiemann reaction? Give equation.

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  17. State and explain Faraday's laws of electrolysis. When a current of 24...

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  20. Justify the position of boble gases in the periodic table .

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