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H-B-H bond angle in BH4^- is...

H-B-H bond angle in `BH_4^-` is

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UNITED BOOK HOUSE-JODHPUR PARK BOYS SCHOOL QUESTION PAPER-EXERCISE
  1. Deduce the relation between KP and KC for the following gaseous reacti...

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  2. What will be the effect of addition of an inert gas in the following e...

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  3. Calculate the pH of 10^-8 (M) HCI solution.

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  4. What is common ion effect? Cite an example.

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  5. Determine the oxidation state of S atoms in Na2S4O6.

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  6. What is Merk’s perhydrol? How it prepared? Write with equation.

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  7. What do you meant by hydride gap?

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  8. Write the ItJPAC name of the following organic compounds:CH2=CHCH2COOH

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  9. Write the ItJPAC name of the following organic compounds:

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  10. Write the structure of the following organic compound : '1.3-DimethyI ...

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  11. Write the increasing bond length of the following bonds and explain : ...

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  12. H-B-H bond angle in BH4^- is

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  13. For the reaction N2O4 (g) overset(rightarrow)(leftarrow)2NO2 (g) at eq...

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  14. Calculate the pH of 0.1 (M) NH4OH at 25^@C. The dissociation constant ...

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  15. State the Hund’s rule of maximum multiplicity. Wh Fe^(3+) ion is more ...

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  16. The energy of electron of H atom is, En = -(2.18xx10^-18)/n^2J. How am...

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  17. Calculate the equivalent wt. of Kmno4 in Acid medium. [K = 39 Mn = 55]

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  18. Write Duiong and Petit’s law. How do you determine the atomic weight o...

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  19. Deduce the relation between equivalent weight and atomic weight of an ...

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  20. The atomic weight and equivalent weight of an element are 27 and 9 res...

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