+2 chemistry - Important one mark questions - Fifth Set - Part 3

                   +2 Chemistry - Important one mark questions

                                                      Set -3

15. ------------ on oxidation gives ethyl methyl ketone

(a) 2- Propanol       (b) 2- Pentanol             (c) 2- Butanol        (d) 2- Pentanone

16. The carboxylic acid that cannot be prepared by using Grignard reagent is

(a) Acetic acid       (b) Benzoic acid           (c) Butyric acid      (d) Formic acid

17. RNO₂ is converted to RNH₂ by using

(a) Sn+HCl              (b) Zn dust                      (c) Zn+NH₄Cl           (d) Zn+NaOH

18. Which of the following undergoes Carbylamine reaction?

(a) (C₂H₅)₂NH          (b) C₂H₅NH₂               (c) (C₂H₅)₃N            (d) (C₂H₅)₄NI

19. Conversion of aniline to C₆H₅N₂Cl is called

(a) Hoffmann reaction                                            (b) Coupling reaction

(c) Diazotization                                                    (d) Gomberg reaction

20. With acetic anhydride, glucose forms

(a) Diacetate    (b) Tetra acetate    (c) Penta acetate        (d) Hexa acetate

21. Which of the following cannot oxidize glucose to gluconic acid?

(a) Br₂/H₂O   (b) Tollen's reagent        (c) Fehling's reagent        (d) Conc.HNO₃