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Why pure HI solution in a bottle acquire...

Why pure HI solution in a bottle acquires brown colour after sometime?

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PATHFINDER-HALOALKANES AND HALOARENES-QUESTION BANK
  1. Which of the following statements is/are correct?

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  2. Blood darkens if hydrogen sulfide enters it. Why?

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  3. Why pure HI solution in a bottle acquires brown colour after sometime?

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  4. Match the column I (reaction) with Column II (reaction intermediate )a...

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  5. Match the column I (reaction) with Column II (reaction intermediate )a...

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  6. When isopentane is monohalogenated , find total number of isomers form...

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  7. When acetaldehyde reacts with I2 in KOH, Iodoform is formed. How many ...

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  8. Neither pure H2SO4 nor pure HClO4 conducts electricity but a mixture o...

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  9. The number of structural isomers obtained on mono chlorination of 1,4 ...

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  10. Identify A,B,C,D,E and F in the following series of reaction.

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  11. Give the structure of the nucleophile that could be used to convert et...

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  12. Why ozone is thermodynamically less stable than oxygen?

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  13. Give the structure of the nucleophile that could be used to convert et...

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  14. Give the structure of the nucleophile that could be used to convert et...

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  15. Treatment of (CH3)3 CCH=CH2 and (CH3)3 CCH(OH)CH3 with conc. Hydrochl...

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  16. When the following compound is heated in methanol, several different p...

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  17. Explain gives less substituted alkene as the major product when trea...

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  18. Name two solid elements which on combination give a liquid compound.

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  19. Two isomeric SN2 products are possible when sodium thiosulphate is all...

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  20. Compound X forms Y with potassium . X forms Z with SOCl2. Y and Z form...

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