CUET QuestionsChemistry (Organic)CUET UG

11 solved questions with detailed explanations

1

Q32. Butanone is less reactive than propanal towards nucleophilic addition reaction because: (a) more +I effect found in butanone (b) less +I effect found in butanone (c) more +I effect found in propa

CUET UGChemistry (Organic)
2

Q50. Fehling Solution A and B respectively, are: (a) Alkaline solution of sodium potassium tartrate and alcoholic copper sulphate (b) Aqueous copper sulphate and alkaline solution off Rochelle salt (c

CUET UGChemistry (Organic)
3

Q48. Which of the following compound most readily undergoes nucleophilic addition reaction? (a) Formaldehyde (b) Acetone (c) Acetaldehyde (d) Di-tert-butyl ketone

CUET UGChemistry (Organic)
4

Q34. Arrange the following in decreasing order of their boiling point (I) CH3-CH2-OH (II) CH3-O-CH3 (III) CH3-CH2-CH3 (a) I > II > III (b) II > III > I (c) III > I > II (d) II > I > III

CUET UGChemistry (Organic)
5

Q35. p-Hydroxyazobenzene is also called as (a) Yellow dye (b) Red dye (c) Orange dye (d) Violet dye

CUET UGChemistry (Organic)
6

Q39. Which of the following compounds undergo predominantly SN2 reaction with NaOH in a polar aprotic solvent? (a) H2CO-CH2-Cl (b) H2N-CH2-Cl (c) CH3-CH2-Cl (d) O2N-CH2-Cl Choose the most most appropr

CUET UGChemistry (Organic)
7

Q49. Carboxylic acid do not give the characteristic reaction of carbonyl group because: (a) the oxygen atom of the OH group does not contain lone pair of electrons (b) carbonyl carbon of carboxyl grou

CUET UGChemistry (Organic)
8

Q11. Given reaction is the example of - [Image of reaction: Phenol (OH on benzene) + NaOH -> Sodium Phenoxide (ONa on benzene) + (i) CO2, (ii) H+ -> Salicylic Acid (COOH and OH on benzene).] (a) Kolbe

CUET UGChemistry (Organic)
9

Q47. Structure of Brady's reagent is (a) H2NNH-C6H3(NO2)2 (o,p) (b) H2NHN-C6H3(NO2)2 (o,p) (c) H2NNH-C6H3(NO2)2 (m,p) (d) C6H5-NH-NH2

CUET UGChemistry (Organic)
10

Q16. In the following sequence of reaction: CH3Br --KCN--> A --H3O+--> B --LiAlH4/ether--> C The end product (C) is (a) Acetone (b) Methane (c) Acetaldehyde (d) Ethyl alcohol

CUET UGChemistry (Organic)
11

Q46. Which of the following statement/s is/are correct? A. Aldeydes give positive test with Tollen's reagent. B. Ketones give positive test with Fehling's solution C. Ketones do not react with Fehling

CUET UGChemistry (Organic)