Aldehydes, Ketones and Carboxylic Acids questions
1139 published questions with worked solutions.
- An organic compound "P" of molecular formula C_6H_ 12 O_3 gives positive Iodoform test but negative Tollen's test. When "P" is...
- Match the LIST-I with LIST-II List-I (Reagents): (A) NH_2-NH_2, KOH (B) Ag(NH_3)_2OH (C) Aq. CuSO_4, Sodium Potassium tartarate,...
- The compound A, C_8H_8O_2 reacts with acetophenone to form a single product via cross Aldol condensation. The compound A on...
- The major product of the following reaction is : CH_3CH_2CH=O [ reflux ] excess HCHO, alkali ?
- Which of the following arrangements with respect to their reactivity in nucleophilic addition reaction is correct?
- Xg of benzoic acid on reaction with aq. NaHCO_3 release CO_2 that occupied 11.2 L volume at STP. X is _____ g.
- Number of molecules from below which cannot give iodoform reaction is : Ethanol, Isopropyl alcohol, Bromoacetone, 2-Butanol,...
- A (i) NaOH (ii) H _3 O ^+ B (i) EtOH (ii) H _2 SO _4, C 'A' shows positive Lassaigne's test for N and its molar mass is 121. 'B'...
- "P" is an optically active compound with molecular formula C₆H₁₂O. When 'P' is treated with 2, 4–dinitrophenlhydrazine, it gives...
- In the following reaction: carbonyl compound + MeOH ⇌ acetal. Rate of the reaction is the highest for:
- The correct decreasing order for acid strength is:
- Consider the following reactions A [ (ii) H _3 O ^+] (i) CH _3 MgBr B [573 K] Cu 2-methyl-2-butene The mass percentage of carbon...
- The increasing order of the reactivity of the following compounds in nucleophilic addition reaction is : Propanal, Benzaldehyde,...
- Which among the following aldehydes is most reactive towards nucleophilic addition reaction?
- An organic compound [A], molecular formula C_ 10 H_ 20 O_2 was hydrolyzed with dilute sulphuric acid to give a carboxylic acid...
- The correct sequence of acidic strength of the following aliphatic acids in their decreasing order is: CH₃CH₂COOH, CH₃COOH,...
- The correct match between Item-I (starting material) and Item-II (reagent) for the preparation of benzaldehyde is : Item-I: (I)...
- Reaction between benzaldehyde and acetophenone in presence of dilute NaOH is known as :
- Match List - I with List - II. List-I (Products formed): (a) Cyanohydrin (b) Acetal (c) Schiff's base (d) Oxime List-II (Reaction...
- Given below are two statements : Statement I : The boiling points of aldehydes and ketones are higher than hydrocarbons of...
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