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Define BOD and COD? How are these determ...

Define BOD and COD? How are these determined? Mention their units.

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UNITED BOOK HOUSE-TECHNO INDIA GROUP ACADEMIA,SOUTH KOLKATA QUESTION PAPER-EXERCISE
  1. Write the IUPAC name of the following organic molecules:CH3CH(OH)CH2CH...

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  2. Write the IUPAC name of the following organic molecules:CH3CH=CHCHCI2.

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  3. Define BOD and COD? How are these determined? Mention their units.

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  4. What is meant by the statement that .an electron has dual character?

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  5. What will be the maximum number of electrons of same spin present in a...

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  6. How many orbitals do you expect to be present in the 5th shell?

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  7. Give the difference between orbit and orbital.

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  8. Write the electronic configuration of the following ions."16S^(2-) and...

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  9. Why the radius of an anion is greater than that of an atom of the elem...

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  10. Which Carbocation has highest stability —

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  11. Although ethanoic acid and ethanol are covalent compounds they are sol...

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  12. Indicate the nature of bonds in the compound NH4Cl.

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  13. Give example of a molecule in which central atom'contains more than oc...

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  14. Which one is more polar NF3 or NH3? Explain

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  15. Oxygen gas is present,in a 1.0 L flask at a pressure of 7.6 xx 10^(-10...

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  16. How compressibility factor help in understanding the deviation of real...

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  17. Deduce the relationship between partial pressure, mole fraction and to...

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  18. Write the Vander Walls equation for n'mole of the real gas.

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  19. Assuming the reactant and product gases of chemical reaction as ideal,...

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  20. Give example of a reaction where DeltaH = DeltaU.

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