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Given two uses of formaldehyde....

Given two uses of formaldehyde.

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(a) 40% aqueous solution of formaldehyde called formalin used to preserve biological specimnes.
(b) formaldehyde is uded to prepare bakelite (phenol-formaldehyde resin.)
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SUBHASH PUBLICATION-ALDEHYDES, KETONES AND CARBOXYLIC ACIDS-QUESTIONS
  1. Acetaldehyde does not undergo Cannizzaro reaction. Why ?

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  2. Formaldehyde undergoes Cannizzaro's reaction. Give reason.

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  3. Given two uses of formaldehyde.

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  4. How are carboxylic acids prepared form Grignard regents ?

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  5. What are Y and Z in the following reactions ?

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  6. Complete the following reaction.

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  7. Complete the following reaction.

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  8. How are carboxylic acids prepared from nitriles ?

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  9. Carboxylic acids are more acidic than phenols. Give reason.

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  10. Explain the effect of electron withdrawing groups. [EWG] on the acidi...

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  11. What is the effect of electron withdrawing group on the acidity of car...

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  12. Explain the effect of electron donating group (EDG) on the acidity of ...

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  13. Among formic acid and acetic acid, which is more acidic ? Give reason...

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  14. How PCl(3), PCl(5) and SOCl(2) reacts with carboxylic acids ?

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  15. Write the chemical equation to convert ethanoic acid to ethanoic anhyd...

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  16. The equation for The reaction between carboxylic acdis and PCl(5)

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  17. Give the equation for The reaction between formaldehyde and con. K...

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  18. Give the equation for The formation of oxime from carbonyl compound...

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  19. A carboxylic acid is heate with alcohol in presence of con. H(2)SO(4)....

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  20. Complete the equation.

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