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Give two uses of formaldehyde....

Give two uses of formaldehyde.

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USHA PUBLICATION-HALOALKANES AND HALOARENES ,ALCOHOLS,PHENOLS AND ETHER-EXERCISE
  1. Sodium phenoxide can be converted to salicylic acid by reacting with ...

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  2. Electrophilic substitution in phenol takes place at position.

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  3. Give two uses of formaldehyde.

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  4. The formation of phenol from chlorobenzene is an example ofsubstitutio...

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  5. Hydrogen is the lightest element but helium has lowest boiling point w...

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  6. Explain, why ethanol is miscible in water in all proportion.

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  7. Give the equation for the following reaction : Bromine water with phe...

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  8. Write down the products of the following reactions : Phenol is treated...

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  9. Write the IUPAC name of

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  10. Complete the equation and name the reaction.

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  11. Write IUPAC name of

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  12. Name the reagents used in Oxidation of 1^@ - alcohol to aldehyde.

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  13. Formic acid and formaldehyde can be distinguished from each other by

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  14. Sulphonation of phenol gives

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  15. Benzene reacts with CI2 in presence of direct sunlight to give

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  16. Aniline reacts with mixture of NaNO2 and HCl at 5^@ C to give

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  17. How can you account for the low reactivity of ’CI’ atom in chlorobenze...

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  18. Which reagent can be used to distinguish between ethyl alcohol and phe...

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  19. Write two uses of phenol.

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  20. Write the products formed when ethyl alcohol is heated with conc. H2SO...

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