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What is the oxidation number of chromium...

What is the oxidation number of chromium in `K_2Cr_2O_7` and nitrogen in `N_2H_4` ?

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Oxidation number of chromium in K_2Cr_2O_7 is:

Calculate the oxidation number of chromium in K_2Cr_2O_7 .

What is the oxidation number of Cr in K_2Cr_2O_7 ?

What is the oxidation number of Cr in k_2Cr_2O_4 ?

What is the oxidation numbe of N in N_2H_4 ?

What is the oxidation number of Cr in Cr_(2)O_(7)^(2-) ?

SHARAM PUBLICATION-2015 QUESTION PAPER-EXERCISE
  1. What metals are present in bronze ?

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  2. What is the PH of 0.001(N) HCl ?

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  3. What is the oxidation number of chromium in K2Cr2O7 and nitrogen in N2...

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  4. Write the electronic configuration of krypton. Why is it inert ?

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  5. Fill in the blanks : ……….. And ………… are the two analgesic drugs.

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  6. Phenol is acidic becauseis more stable than

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  7. Fill in the blanks : For an exothermic reaction Delta H is ……………

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  8. Fill in the blanks : The graphic formula of m - xylene is …………

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  9. The precipitate formed when an aldehyle react with Fehling solution is...

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  10. Trichloro acetic acid is a stronger acid than acetic acid. Give reason...

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  11. Electron affinity of flourine is less than that of chlorine Why ?

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  12. Sodium acetate solution is alkaline. Give reason.

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  13. Acetamide is treated with sodium nitrite and dil HCl at low temperatur...

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  14. What are organometallic compounds? Give two examples.

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  15. Name two Rhodenticides and two antiseptics.

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  16. The half- life period of overset(125)underset(53) I is 60 days. What p...

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  18. The specific conductance of a 0.12N solution of an electrolyte is 2.4x...

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  19. Define Bond energy.

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