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Explain the non existence of helium mole...

Explain the non existence of helium molecule on the basis of molecular orbital theory (MOT).

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OSWAAL PUBLICATION-Solved Paper 2020-2-Exercise
  1. Calculate the molarity of NaOH solution prepared by disolving '4g' of ...

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  2. What are the causes for deviation of real gases from ideal behaviour.

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  3. Explain the non existence of helium molecule on the basis of molecular...

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  4. Expalin the action of carbondioxide in lime water.

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  5. How is diborane prepared in the laboratory?

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  6. State Markowniff's rule with an example.

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  7. Mention any two necerssaary conditions for any system to be aromatic.

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  8. Write any two common chemical of photochemical smog.

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  9. What do you mean by the term electron gain enthalpy? How does electron...

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  10. Distinguish between a sigma and a pi bond.

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  11. Define dipole moment.

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  12. Write any three postulates of VSEPR theory.

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  13. Calculate bond order of Oxygen molecule and mention its magnetic prope...

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  14. Balance the redox reaction using oxidatin numver method: MnO4^-(aq)rar...

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  15. What is the chemical used in Clarke's proceststo remove temporary hard...

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  16. Give the preparation of sodium hydroxide by Caster-Kellner-Cell method...

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  17. Mention any 2 difference between diamond and graphite.

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  18. Write the structure of inorganic benzene.

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  19. Find the empirical formula of a compound which contain 33.18% of carbo...

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  20. State Avogadro law and write mathematical form.

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