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Aldehyde Ketons And Carboxylic Acids
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Aldehyde Ketons And Carboxylic Acids
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25 Questions

1. An ester is boiled with KOHThe product iscooled and acidified with concentrated HCl.Awhite crystalline acid separatesThe ester is
2. Self condensation of two moles of ethylacetate in presence of sodium ethoxide yields
3. The correct order of decreasing acidstrength of trichloroacetic acid - trifluoroaceticacid - acetic acid and formic acid is:
4. Benzoic acid may be converted to ethylbenzoate by reaction with:
5. Aspirin is an acetylation product of
6. If formaldehyde and KOH are heated - then we get
7. Acetone is treated with excess of ethanol inthe presence of hydrochloric acidThe productobtained is:
8. Aldehydes and ketones will not formcrystalline derivatives with
9. Acetaldehyde reacts with
10. Which one of the following can be oxidisedto the corresponding carbonyl compound?
11. Acarbonyl compound reacts with hydrogencyanide to form cyanohydrin which onhydrolysis forms a racemic mixture of Dhydroxy acidThe carbonyl compound is
12. Which of the following represents thecorrect order of the acidity in the givencompounds?
13. Which of the following is incorrect?
14. Sodium formate on heating yields
15. Iodoform test is not given byl
16. Which one of the following esters cannotundergo Claisen self-condensation?
17. Which of the following compound willundergo self aldol condensation in the presenceof cold dilute alkali?
18. Among acetic acid - phenol and n-hexanol - which of the following compounds will reactwith NaHCO3 solution to give sodium salt andcarbon dioxide?
19. Benzoic acid gives benzene on being heatedwith Xand phenol gives benzene on being heatedwith YTherefore Xand Yare respectively
20. The preparation of ethyl acetoacetateinvolves
21. Which of the following is the correctdecreasing order of acidic strength of methanoicacid (ii) ethanoic acid (iii) propanoic acid (iv)butanoic acid.
22. The OHgroup of an alcohol or the -“COOHgroup of a carboxylic acid can be replacedby -“Cl using234
23. Clemmensen reduction of a ketone is carriedout in the presence of which of the following?
24. Nucleophilic addition reaction will be most favoured in
25. The product formed in Aldol condensation is

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