By babulal1988.com@gmail.com / 02/10/2025 0% 0 votes, 0 avg 16 Complete chemistry Chemistry Quiz Present time is the best time to initiate the tast 1 / 41 Category: chemistry 1. Which ether on reaction with excess HI gives two different alkyl iodides? a. Diethyl ether b. Methyl ethyl ether c. Dimethyl ether d. Diphenyl ether 2 / 41 Category: chemistry 2. Which one is an ether? (NEET 2012) a. CH₃OCH₃ b. CH₃CH₂OH c. CH₃COOH d. C₆H₅OH 3 / 41 Category: chemistry 3. Which of the following alcohols shows maximum intermolecular hydrogen bonding? a. Ethanol b. Propan-2-ol c. Glycerol d. Methanol 4 / 41 Category: chemistry 4. Ethers are generally unreactive because: a. They are non-polar b. They have strong C–O bonds c. Oxygen has lone pairs d. They lack acidic hydrogen 5 / 41 Category: chemistry 5. Which of the following depends on temperature : a. Molarity b. Mole Fraction c. Weight percentage d. Molality 6 / 41 Category: chemistry 6. Which of the following does not react with sodium metal?(NEET 2017) a. Water b. Diethyl ether c. Ethanol d. Phenol 7 / 41 Category: chemistry 7. The increasing order of acidity is: a. Ethanol < Phenol < Water b. Ethanol < Water < Phenol c. Water < Ethanol < Phenol d. Phenol < Water < Ethanol 8 / 41 Category: chemistry 8. The boiling point of aldehydes and ketones is higher than hydrocarbons because of: a. Ionic bonding b. Dipole–dipole interaction c. Van der Waals forces d. Hydrogen bonding 9 / 41 Category: chemistry 9. Which of the following will NOT give ether on dehydration? a. Methanol b. Propanol c. tert-Butyl alcohol d. Ethanol 10 / 41 Category: chemistry 10. Aldehydes are more reactive than ketones in nucleophilic addition reactions because: a. Ketones have H atom b. Aldehydes are less polar c. Steric hindrance is less d. Ketones have lower boiling point 11 / 41 Category: chemistry 11. Cannizzaro reaction is shown by aldehydes which: a. Are aliphatic b. Are aromatic c. Do not have α-hydrogen d. Have α-hydrogen 12 / 41 Category: chemistry 12. Anisole undergoes bromination in the presence of FeBr₃ to give mainly: a. Bromobenzene b. p-Bromoanisole c. m-Bromoanisole d. o-Bromoanisole 13 / 41 Category: chemistry 13. Aldehydes can be prepared by oxidation of: a. Secondary alcohols b. Phenols c. Primary alcohols d. Tertiary alcohols 14 / 41 Category: chemistry 14. Which reagent converts aldehydes into corresponding alcohols? a. Fehling’s solution b. NaBH₄ c. KMnO₄ d. Tollens’ reagent 15 / 41 Category: chemistry 15. Phenol is more acidic than ethanol because: a. Ethoxide ion is stabilized by resonance b. Phenoxide ion is stabilized by resonance c. Phenol has higher molecular mass d. Phenol forms hydrogen bonds 16 / 41 Category: chemistry 16. Which of the following is a ketone? a. Methanal b. Benzaldehyde c. Ethanal d. Propanone 17 / 41 Category: chemistry 17. 10 mL of a solution of NaOH is found to be completely neutralised by 8 mL of a given solution of HCl. If we take 20 mL of the same solution of NaOH, the amount HCl solution (the same solution as before) required to neutralise it will be a. 12 mL b. 4 mL c. 8 mL d. 16 mL 18 / 41 Category: chemistry 18. The major product formed when phenol reacts with bromine water is: a. 2,4,6-Tribromophenol b. p-Bromophenol c. o-Bromophenol d. Bromobenzene 19 / 41 Category: chemistry 19. What is the type of hybridisation of each carbon in the following compound? CH3CH=CHCN a. sp3, sp2 b. sp3 c. sp3, sp, d. sp3, sp2, sp2, sp 20 / 41 Category: chemistry 20. In Williamson ether synthesis, which alkyl halide is least suitable? a. tert-Butyl bromide b. Isopropyl bromide c. Methyl bromide d. Ethyl bromide 21 / 41 Category: chemistry 21. Which reagent is used to distinguish between phenol and ethanol? a. NaOH b. Na metal c. HCl d. FeCl₃ 22 / 41 Category: chemistry 22. s–1 is the unit of rate constant for the zero order reaction. a. False b. True 23 / 41 Category: chemistry 23. 1.00 mol kg–1 (or 1.00 m) solution of KCl means that 1 mol (74.5 g) of KCl is dissolved in 1 kg of water. a. False b. True 24 / 41 Category: chemistry 24. Which compound is used in the preparation of bakelite? a. Acetone b. Acetophenone c. Benzaldehyde d. Formaldehyde 25 / 41 Category: chemistry 25. F. Wohler synthesised an organic compound, urea from an inorganic compound. That is ....... a. Uric acid b. Ammonia c. None of the above d. Urea 26 / 41 Category: chemistry 26. The mixture Which forms Azeotropic with highest boiling point will be : a. Water + Nitric acid b. Acetone + Carbon disulphide c. Ethanol + Water d. Heptane + Octane 27 / 41 Category: chemistry 27. Phenol on heating with zinc dust forms: (AIPMT 2013) a. Cyclohexanol b. Benzoic acid c. Benzene d. Chlorobenzene 28 / 41 Category: chemistry 28. Which one of the following is the strongest acid? (NEET 2019) a. Water b. Phenol c. p-Nitrophenol d. Ethanol 29 / 41 Category: chemistry 29. Which alcohol gives turbidity immediately with Lucas reagent? a. 2-Propanol b. 1-Propanol c. tert-Butyl alcohol d. Ethanol 30 / 41 Category: chemistry 30. Which of the following does NOT give silver mirror test? a. Ethanal b. Formaldehyde c. Benzaldehyde d. Acetone 31 / 41 Category: chemistry 31. Which compound gives a positive Fehling’s test? a. Acetone b. Benzaldehyde c. Acetophenone d. Formaldehyde 32 / 41 Category: chemistry 32. Williamson ether synthesis involves reaction between: (NEET 2016) a. Ether and alkyl halide b. Alcohol and alkyl halide c. Phenol and alkyl halide d. Sodium alkoxide and alkyl halide 33 / 41 Category: chemistry 33. Williamson ether synthesis is useful for preparing: a. Both symmetrical and unsymmetrical ethers b. Cyclic ethers only c. Unsymmetrical ethers only d. Symmetrical ethers only 34 / 41 Category: chemistry 34. If the molarity of dilute solution is doubled, then the molal depression constant will be : a. triple b. double c. half d. unchanged 35 / 41 Category: chemistry 35. L mol–1 s–1 is unit of rate constant for second order reaction. a. True b. False 36 / 41 Category: chemistry 36. Major product when phenol reacts with chloroform and NaOH followed by acidification is: a. Salicylaldehyde b. Benzaldehyde c. Benzoic acid d. Chlorobenzene 37 / 41 Category: chemistry 37. The functional group present in aldehydes is: a. –OH b. –COOH c. –CHO d. –CO– 38 / 41 Category: chemistry 38. For the given reaction 2A + B → C + D, the rate constant is 1.5 × 10–4 s –1. What is the order of the reaction? a. zero b. one c. two d. three 39 / 41 Category: chemistry 39. The molarity of a solution containing 5 g of NaOH in 450 mL solution is 0.278 mol dm–3. a. False b. True 40 / 41 Category: chemistry 40. Anisole on nitration gives mainly: a. m-Nitroanisole b. p-Nitroanisole c. Nitrobenzene d. o-Nitroanisole 41 / 41 Category: chemistry 41. Tollens’ reagent is used to distinguish between: a. Alcohol and aldehyde b. Ketone and acid c. Aldehyde and ketone d. Aldehyde and ester Your score isThe average score is 72% 0% Restart quiz
weldone
Wow ! what a awesome moment for me
Nice !