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What is the sum of oxidation states of h...

What is the sum of oxidation states of hydrogen in `CaH_(2) &CH_(4)`.

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RESONANCE ENGLISH-PERIODIC TABLE & PERIODICITY-Advanced Level Problems
  1. Which of the following has/have not unit?

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  2. Atomic number of Ag is 47. In the same group the atomic numbers of ele...

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  3. What is the sum of oxidation states of hydrogen in CaH(2) &CH(4).

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  4. Most stable oxidation state of Thallium is +n. What is the value of n.

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  5. Total number of elements which have more ionization energy as compare ...

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  6. For the gaseous reaction K + F rarr K^(+) +F^(-), Deltah was calculate...

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  7. How many elements are more electropositive than CI. B, N, O, C, S, ...

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  8. EA(1) value of some group of p-Block elements are given: a, b, c…...

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  9. EA(1) value of some group of p-Block elements ae given: a, b, c……...

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  10. EA(1) value of some group of p-Block elements ae given: a, b, c……...

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  11. The element whose electronic configuration is 1s^(2), 2s^(2)2p^(6), 3s...

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  12. Oxygen shows +2 oxidation state is

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  13. Which Group IIIA elements is expected to have physical and chemical pr...

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  14. Which of the followig ions will show highest magnetic moment (Z values...

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  15. Find the oxidation number of: Cr in K(2)Cr(2)O(7)

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  16. Which of the following is the smallest in size ?

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  17. Oxidation Number of Mn in [MnO(4)]^(-) is:

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  18. The reduction potentials of Zn, Cu, Fe and Ag are in the increasing or...

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  19. The formation of anion from a neutral atom X is favoured by:

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  20. An isotone of .(32)^(76)Ge is- (a) .(32)^(77)Ge (b).(33)^(77)As (c).(...

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