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What do you understand by the term oxida...

What do you understand by the term oxidation number?

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Oxidation number refers to the number of changes an atom would have in a molecule or an ionic compound, if electrons were transferred completely the oxidation numbers reflect the number of electron transferred.
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SURA PUBLICATION-BASIC CONCEPTS OF CHEMISTRY AND CHEMICAL CALCULATIONS-EVALUATION (II.WRITE BRIEF ANSWER TO THE FOLLOWING QUESTIONS)
  1. What do you understand by the term mole .

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  2. Define equivalent mass.

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  3. What do you understand by the term oxidation number?

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  4. Distinguish between oxidation and reduction

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  5. Calculate the molar mass of the following compounds. (i) Urea [CO(NH...

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  6. Calculate the molar mass of the following compounds. (ii) Acetone [C...

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  7. Calculate the molar mass of the following compounds. (iii) Boric aci...

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  8. Calculate the molar mass of the following compounds. (iv) Sulphuric ...

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  9. The density of carbon dioxide is equal to 1.965 kg m^(-3) at 273 K and...

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  10. Which contains the greatest number of moles of oxygen atoms (i) 1 mol ...

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  11. Calculate the number of moles in the following . (ii) 4.66 mg of silic...

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  12. Calculate the number of moles in the following . (iii) 65.6 mg of oxyg...

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  13. Calculate the average atomic mass of naturally occurring magnesium usi...

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  14. In a traction x+y + z(2)to xyz(2), Identity the limiting reagent If ti...

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  15. Mass of one atom of an element is 6.645xx10^(-23)g. How many moles of ...

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  16. (a) Define atomic mass unit. (b) Distinguish between molecular mass ...

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  17. What is the empirical formula of the following ? (i) Fructose (C(6)...

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  18. Equivalent Mass The eqivalent mass of a substance is defined as the ...

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  19. Equivalent Mass The eqivalent mass of a substance is defined as the ...

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  20. How many moles of ethane is equaired to produce 44 g of CO(2(g)) after...

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