Organic Compounds Containing Oxygen — practice questions
162 curated practice questions from Organic Compounds Containing Oxygen (Chemistry JEE Main, NTA Exams) — 111 easy, 51 medium. Every question includes the final answer free; step-by-step worked solutions with a free account.
- The carboxylic acid which has maximum solubility in water is
- Compound A has a molecular formula C 2 Cl 3 OH. It reduces Fehling’s solution and on oxidation, it gives a…
- In esterification, OH ion for making H 2 O comes from
- array l I II III array Among these compounds, the correct order of C-O bond length is:
- Although phenoxide ion has more number of resonating structures than carboxylate ion, carboxylic acid is a stronger…
- An ether is more volatile than an alcohol having the same molecular formula. This is due to
- An organic compound A reacts with sodium metal and forms B. On heating with conc. H 2 SO 4 , A gives diethyl ether. A…
- When enthanol is heated with conc. H 2 SO 4 , a gas is produced. The compound formed, when this gas is treated with…
- Among the following acids which have the lowest pK a value:
- Find out the major product for the following reaction. Major product (Jee Main 2023)
- The general formula C n H 2n O 2 could be for open chain
- The IUPAC name for is :-
- Consider the acidity of the carboxylic acids : (i) C 6 H 5 COOH (ii) o–NO 2 C 6 H 4 COOH (iii) p–NO 2 C 6 H 4 COOH (iv)…
- In the following reaction, product P is
- Given below are two statements: Statement II: p-nitrophenol is more acidic than m-nitrophenol and o-nitrophenol…
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion…
- m-chlorobenzaldehyde on treatment with 50% KOH solution yields. (Jee Main 2024)
- Which of the following does not turn Schiff’s reagent to pink?
- Product C in the following reaction, will be
- Reagent which can be used to distinguish acetophenone from benzophenone is
- The major product (P) of the given reaction is (where, Me is –CH 3 ) (JEE Main 2022)
- C 2 H 5 CHO and (CH 3 ) 2 CO can be distinguished by testing with
- For C 6 H 5 CHO which of the following is incorrect?
- Which of the following compound will undergo self aldol condensation in the presence of cold dilute alkali
- Ortho-nitrophenol is steam volatile whereas para-nitrophenol is not. This is due to
- In the following reaction, product P is
- Identify compound (Z) in the following reaction sequence. (Jee Main 2024)
- Phenolic group can be identified by a positive: (Jee Main 2024)
- Oxidation of toluene to benzaldehyde can be easily carried out with which of the following reagents? (JEE Main 2022)
- Given below are two statements: Statements I: Acidity of α-hydrogens of aldehydes and ketones is responsible for Aldol…
- On boiling with concentrated hydrobromic acid, phenyl ethyl ether will yield
- Among the following marked proton of which compound shows lowest pK a value? (JEE Main 2022)
- What is X and Y in above reaction respectively:
- In the reaction, CH _ 3 COOH LiAlH _ 4 ~A PCL _ 5 ~B Alc. KOH C , the product C is :
- Which of the following reagents convert the propene to 1-propanol
- Suitable reaction condition for preparation of Methyl phenyl ether is (Jee Main 2023)
- The reaction, RCOOR ^ + R ^ OH (excess) H ^ + or ^ 2 OH ^ - RCOOR ^ + R ^ OH is called
- Match List-I with List-II. Choose the correct answer from the options given below: (Jee Main 2024)
- Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: can…
- An organic compound ‘A’ reacts with methyl magnesium iodide, to form an addition product which on hydrolysis forms the…
- Which compound does not gives yellow ppt. with iodine and alkali?
- Which of the following reagents converts both acetaldehyde and acetone to alkanes ?
- The IUPAC name of the following structure is
- An organic compound ‘A’ with empirical formula C _ 6 H _ 6 O gives sooty flame on burning. Its reaction with bromine…
- If pentan-2-one is reacted with NaBH 4 , followed by hydrolysis with D 2 O, the product will be :
- The correct acidic order of the following is array l I II array
- Hydrolysis of which compound will give carbolic acid? (JEE Main 2022)
- The compound ‘A’ when treated with methyl alcohol and few drops of H 2 SO 4 gave smell of winter green. The compound…
- In Friedal-Crafts acylation, besides AlCl 3 , the other reactants are
- In the vapour phase or in the aprotic solvents carboxylic acids exist as
- Consider the above chemical reaction. Product "A" is: (Jee Main 2024)
- Which of the following vapours passed over heated copper to form acetone
- Acetic anhydride is obtained from acetyl chloride by the reaction of
- CH 3 COCl [ B / BaSO _ 4 ] 2 H CH 3 CHO + HCl. The above reaction is called
- p-cresol reacts with chloroform in alkaline medium to give the compound A which adds hydrogen cyanide to form the…
- Among the following, the acid which undergoes fastest decarboxylation is
- Which of the following conditions or reaction sequence will NOT give acetophenone as the major product? (JEE Main 2022)
- Which among the following aldehydes is most reactive towards nucleophilic addition reactions? (Jee Main 2024)
- does not show aldol condensation because :
- The reaction of acetaldehyde with conc. KMnO 4 gives
- The IUPAC name of is
- This reduction reaction is known as: (Jee Main 2024)
- The end product in the following sequence of reaction is HC CH [20 H _ 2 SO _ 4 ] 1 HgSO _ 4 ~A [ H _ 3 O ^ + ] CH _ 3…
- Identify major product "X" formed in the following reaction: (Jee Main 2024)
- Which of the following product is formed, when ether is exposed to air
- For the reaction, C _ 2 H _ 5 H + H ZnCl _ 2 C _ 2 H _ 5 X + H _ 2 O the order of reactivity is
- Compound ‘A’ reacts with PCl 5 to give ‘B’ which on treatment with KCN followed by hydrolysis gave propanoic acid as…
- Conc. H 2 SO 4 reacts with C 2 H 5 OH at 170°C to form
- Given below are two statements: One is labelled Assertion A and the other is labelled as Reason R: Assertion A: pK _ a…
- Fehling’s solution can make distinction between following pairs I : CH 3 COOH, HCOOH II : CH 3 COOH,HCHO III : C 6 H 5…
- Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: A…
- Which compound does not form iodoform with alkali and iodine?
- Which of the following ketone will NOT give enamine on treatment with secondary amines? [where t-Bu is –C(CH 3 ) 3 ]…
- CH _ 3 COCl [ Pd / BsSO _ 4 ] H _ 2 CH _ 3 CHO + HCl ; The above reaction is called
- Isopropyl alcohol heated at 300°C with copper catalyst to form
- Two statements are given below: Statement I : The melting point of monocarboxylic acid with even number of carbon atoms…
- Match List-I with List-II. (Jee Main 2024) List-I (Reaction) List-II (Reagent(s)) A. I Na 2 Cr 2 O 7 , H 2 SO 4 B. II…
- Hex-4-ene-2-ol on treatment with PCC gives 'A'. 'A' on reaction with sodium hypoiodite gives ‘B’, which on further…
- Oxymercuration-demercuration reaction of 1-methylcyclohexene gives
- Which one the following compounds will readily react with dilute NaOH? (Jee Main 2024)
- Heating a mixture of ethyl alcohol and acetic acid in presence of conc. H 2 SO 4 produce a compound with fruity smell…
- The aldol reaction of acetaldehyde results in the formation of
- The IUPAC name of the molecule is
- In presence of NaOH, phenol react with CHCl 3 to form o-hydroxy benzaldehyde. This reaction is called
- Which one of the following compounds forms a red coloured solution on treatment with neutral FeC l 3 solution
- Which of the following is obtained when chloral is boiled with NaOH
- In the following reaction sequence. C _ 6 H _ 5 Br [523 ~K ] CuCN / Pyridine X [ Boil ] Dil. H _ 2 SO _ 4 Y The product…
- Which of the following will not undergo Hell - volhard Zelinsky (HVZ) reaction ?
- The alcohol that produces turbidity immediately with ZnCl 2 + conc. HCl at room temperature
- Phenol treated with chloroform in presence of sodium hydroxide, which further hydrolyzed in presence of an acid…
- In the anion HCOO ^ the two carbon-oxygen bonds are found to be of equal length. What is the reason for it.
- In the following reaction: (JEE Main 2022) The compounds A and B respectively are:
- When propanoic acid is treated with aqueous sodium bicarbonate, CO 2 is liberated. The C of CO 2 comes from:
- The increasing order of acidity among phenol, p-methylphenol, m-nitrophenol and p-nitrophenol is
- Rewrite the following in the increasing order of acidity ? (i) Benzoic acid (ii) p-methoxybenzoic acid (iii)…
- Which alkene on ozonolysis gives CH 3 CH 2 CHO and CH 3 COCH 3 ?
- Which of the following would be expected to be the most highly ionized in water ?
- In which of the following, the number of carbon atoms does not remain same when carboxylic acid is obtained by…
- The increasing order of acidity of α, β and γ– chlorobutyric acids is
- Reduction of acetonitrile in presence of SnCl 2 /HCl, followed by hydrolysis gives :
- Self condensation of two moles of ethyl acetate in presence of sodium ethoxide yields
- Given below are two statements: Statement I: Picric acid is 2,4,6-trinitrotoluene. Statement II: Phenol-2,4-disulphonic…
- Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: can…
- Phenol reacts with bromine in carbon disulphate at low temperature to give which of the following product?
- First product of the reaction between RCHO and NH 2 NH 2 is
- The products formed in the following reaction C _ 6 H _ 5 - O - CH _ 3 - HI heat are
- The following reagent converts C 6 H 5 COCHO to C 6 H 5 CHOHCOONa
- is called
- Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A…
- Incorrect method of preparation for alcohols from the following is: (Jee Main 2023)
- Which of the following compounds will give positive test with Tollens’ reagent?
- Given below are two statements: Statement I: On heating with KHSO4, glycerol is dehydrated and acrolein is formed…
- Ketones [RCOR 1 ] where R = R 1 = alkyl group. It can be obtained in one step by
- Treatment of benzoic acid with Cl 2 /FeCl 3 will give
- An organic compound of molecular formula C 4 H 10 O does not react with sodium. With excess of HI, it gives only one…
- The reaction of with RMgX leads to the formation of
- Correct order of reactivity of CH 3 CHO, C 2 H 5 COCH 3 and CH 3 COCH 3 is
- R — OH + HX → RX + H 2 O In the above reaction, the reactivity of alcohols is
- The reaction : RCOOAg + Br 2 CCl _ 4 , Reflux R – Br + AgBr + CO 2 is called
- Benzaldehyde + conc. NaOH ⟶ Cannizaro reaction Which among the following is one of the product formed in the above…
- During dehydration of alcohols to alkenes by heating with conc. H 2 SO 4 the initiation step is
- Match List-I with List-II. (Jee Main 2024) Choose the correct answer from options given below:
- The reaction used for preparation of soap from fat is: (Jee Main 2023)
- Consider the following statements. Acetophenone can be prepared by (1) Oxidation of 1-phenylethanol (2) Reaction of…
- The product of the following reaction is
- The IUPAC name of CH 3 COCH(CH 3 ) 2 is :
- The difference in the reaction of phenol with bromine in chloroform and bromine in water medium is due to: (JEE Main…
- CH _ 3 CH _ 2 - OH [ (i) KMnO _ 4 CaO. Al (ii) NaOH _ 4 Can _ 4 O , ~A ] (i) P Consider the above reaction sequence and…
- Chlorination of toluene in the presence of light and heat followed by treatment with aqueous NaOH gives
- Propanoic acid or its sodium salt can be converted into alkanes by reduction with HI/red P or decarboxylation reaction…
- (CH 3 ) 2 C = CHCOCH 3 can be oxidised to (CH 3 ) 2 C = CHCOOH by
- Match List-I with List-II. List-I (Reactants) List-II (Products) (A) Phenol, Z _ n / (I) Salicylaldehyde (B) Phenol…
- On heating calcium acetate and calcium formate, the product formed is
- The correct structure of product ‘A’ formed in the following reaction, (JEE Main 2022)
- Which of the following compounds will give silver mirror with ammoniacal silver nitrate? A. Formic acid B. Formaldehyde…
- When but-2-yne is treated with dil.H 2 SO 4 /HgSO 4 the product formed is :
- Consider the following compounds: (i) C 6 H 5 COCl (ii) (iii) (iv) The correct decreasing order of their reactivity…
- A compound 'X' when treated with phthalic anhydride in presence of concentrated H _ 2 SO _ 4 yields 'Y'. 'Y' is used as…
- Given below are two statement: Statements I: Bromination of phenol in solvent with low polarity such as CHCl _ 3 or CS…
- Which of the following reaction is appropriate for converting acetamide to methanamine?
- Given below are two statements Statement I: Phenols are weakly acidic. Statement II: Therefore they are freely soluble…
- Match List I with List II List I (Name of reaction) List II (Reagent used) A. Hell – Volhard – Zelinsky reaction I…
- Which of the following reagents will produce salicylaldehyde on reaction with phenol
- When aniline reacts with oil of bitter almonds (C 6 H 5 CHO) condensation takes place and benzal derivative is formed…
- Which one of the following can be oxidised to the corresponding carbonyl compound?
- When CH _ 2 = CH - COOH is reduced with LiA l H 4 , the compound obtained will be
- Diethyl ether is heated with one mole of HI, which is formed
- Consider the following reaction Propanal + Methanal = ( 伍dLincH ( ii) ( iif) A c N( iv ) H_ 1 O^ + . . Product B The…
- In the reaction CH _ 3 CN +2 H [ Ether ] HCl X Bciling H _ 2 O Y ; Compound Y is
- Treatment of propionaldehyde with dilute NaOH solution gives
- Identify the N-substituted derivative of carbonyl compounds that are coloured compounds and are useful in the…
- The ether that undergoes electrophilic substitution reactions is
- The general order of reactivity of carbonyl compounds towards nucleophilic addition reactions is
- Given below are two statements: Statement I: The esterification of carboxylic acid with an alcohol is a nucleophilic…
- Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A…
- The acid D obtained through the following sequence of reactions is C _ 2 H _ 5 Br Alc. KOH ~A [ CCl _ 4 ] Br _ 2 ~B […
- Which of the following compounds will undergo self aldol condensation in the presence of cold dilute alkali?
- Which reagent will bring about the conversion of carboxylic acids into esters
- The decreasing order of reactivity of (i) CH 3 COCl (ii) CH 3 COOC 2 H 5 (iii) CH 3 CONH 2 (iv) (CH 3 CO) 2 O Towards…
- Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R: Assertion A…
- Which of the following is an example of conjugated diketone? (JEE Main 2022)
- The IUPAC name of is