Aldehydes & Ketones: NEET Chemistry Previous Year Questions

264 previous year questions from Aldehydes & Ketones. Here are the 25 most important ones; open any question for the correct answer and a full step-by-step solution.

1. $Match List-I with List-II (matching question)$
2. $C H_{3} C H O and C_{6} H_{5} C H_{2} C H O can be distinguished chemically by$
3. $The major product of the following reaction is : CH_{3} C H_{2} CH = C H_{2} \frac{H _{2}}{CO} Rh catalyst$
4. $The correct order of reactivity of aldehydes and ketones towards hydrogen cyanide is$
5. $Given below are two statements: Statement-I : CeO_{2} can be used for oxidation of aldehydes and ketones. Statement-II : Aqueous solution of\dots$
6. $In the reaction, C_{6} H_{5} COCH_{3} \to [H] Zn - Hg / conc . HCl X, X is$
7. $Which of the following statements are TRUE about Haloform reaction?:(A) Sodium hypochlorite reacts with KI to give KOI .(B) KOI is a reducing agent.(C)\dots$
8. $Which of the following compounds would give the following set of qualitative analysis ? (i) Fehling's Test: Positive (ii) Na fusion extract upon treatment with sodium nit\dots$
9. $Among the given compounds, the most susceptible to nucleophilic attack at the carbonyl group is$
10. $Iodoform test can differentiate between(A) Methanol and Ethanol(B) CH_{3} COOH and CH_{3} CH_{2} COOH (C) Cyclohexene and cyclo\dots$
11. $A strong base can abstract an α ‐hydrogen from$
12. $Alkenes (X) and carbonyl compounds (Y) participate in which of the following addition reactions? (X) (Y)$
13. $The major product of the following reaction is: R - C \equiv N \frac{( i ) AlH ( i - Bu ) _{2}}{( ii ) H _{2} O}$
14. $Match List-I with List-II (matching question)$
15. $Aldol condensation will not take place in$
16. $\dots$
17. $What are the products formed when an aldehyde (R CHO) is reacted with Tollen's reagent?$
18. $Match the following:\dots$
19. $' x' is the product which is obtained from propanenitrile and stannous chloride in the presence of hydrochloric acid followed by hydrolysis. ' y' is the product w\dots$
20. $The order of reactivity of carbonyl compounds for nucleophilic addition is$
21. $Both acetaldehyde and acetone (individually) undergo which of the following reactions? A. Iodoform Reaction B. Cannizaro Reaction C. Aldol Condensation D. Tollen's Test E\dots$
22. $The product formed in aldol condensation is$
23. $Given below are two statements: Statement I: Cross aldol condensation between two different aldehydes will always produce four different products. Statement II: When semi\dots$
24. $Number of molecules from below which cannot give iodoform reaction is: Ethanol, Isopropyl alcohol, Bromoacetone, 2Butanol, 2-Butanone, Butanal, 2-Pentanone, 3Pentanone, P\dots$
25. $On electrolysis of aqueous solution of sodium butanoate gives a hydrocarbon. The number of carbon atoms present in hydrocarbon are$

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Aldehydes & Ketones: NEET Chemistry Previous Year Questions

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