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Balance the following chemical., equatio...

Balance the following chemical., equation by ion electron method :`Cr_2O_7^(2-) + Fe^(2+) + H^+ rarr Cr^(3+) + Fe^(3+) + H_2O`.

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UNITED BOOK HOUSE-MODEL QUESTION PAPER 7-EXERCISE
  1. At T K, what will be the value of (H-U) for 1 mol of ideal gas?

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  2. Mention the oxidation number of Mn in KMnO4.

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  3. Balance the following chemical., equation by ion electron method :Cr2O...

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  4. Balance the reaction by oxidation number method AI+NaOH+H(2)OtoNaAIO...

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  5. Find the oxidation state of C— 1 and C— 2 in CH3CH2OH.

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  6. What do you mean by 30 volume H2O2 solution? Why H2O2 exhibit both ox...

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  7. Among alkaline earth metals is having the highest ionization energy.

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  8. Compare the alkali metals and alkaline earth metals with respect to: ...

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  9. What is epson salt? Give its important uses.

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  10. KO2 is paramagnetic in nature: Explain.

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  11. Chloroform is more acidic than fluoroform— Explain.

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  12. Draw the resonance structures of following compound : CH3CH=CHCHO.

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  13. Arrange in order of increasing stability : overset(-)(C)H3,(CH3)2overs...

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  14. Arrange in order of increasing stability : overset(-)(C)H3,(CH3)2overs...

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  15. Explain the orders of acidity of carboxylic acids? CH3CH2COOH > (CH3)2...

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  16. 25 ml (M//10) HC1 solution is mixed with 50 ml (2//25) M KOH solution....

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  17. How would you prove that chemical equifibrim is of dynamic nature?

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  18. Derive thevrelationship between KP and KC.

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  19. Calculate the pH of 10^-8 (M) NaOH solution.

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  20. CO2 is a gas but SiO2 is a high melting solid— explain why.

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