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Complete chemistry

Chemistry Quiz

Present time is the best time to initiate the tast

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1. Anisole on nitration gives mainly:

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2. Which of the following does not react with sodium metal?(NEET 2017)

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3. The major product formed when phenol reacts with bromine water is:

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4. The increasing order of acidity is:

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5. Phenol on heating with zinc dust forms: (AIPMT 2013)

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6. Williamson ether synthesis is useful for preparing:

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7. L mol–1 s–1 is unit of rate constant for second order reaction.

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8. Major product when phenol reacts with chloroform and NaOH followed by acidification is:

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9. Which of the following will NOT give ether on dehydration?

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10. Which ether on reaction with excess HI gives two different alkyl iodides?

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11. The boiling point of aldehydes and ketones is higher than hydrocarbons because of:

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12. Tollens’ reagent is used to distinguish between:

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13. Which compound gives a positive Fehling’s test?

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14. s–1 is the unit of rate constant for the zero order reaction.

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15. Which of the following is a ketone?

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16. Which reagent is used to distinguish between phenol and ethanol?

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17. What is the type of hybridisation of each carbon in the following compound?

CH3CH=CHCN

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18. Anisole undergoes bromination in the presence of FeBr₃ to give mainly:

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19. Cannizzaro reaction is shown by aldehydes which:

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20.

Which of the following depends on temperature :

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21. Aldehydes can be prepared by oxidation of:

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22. Which compound is used in the preparation of bakelite?

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23. Which of the following alcohols shows maximum intermolecular hydrogen bonding?

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24. 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

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25. Williamson ether synthesis involves reaction between: (NEET 2016)

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26. The mixture Which forms Azeotropic with highest boiling point will be :

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27. 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?

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28. 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.

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29. Which one of the following is the strongest acid? (NEET 2019)

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30. Which alcohol gives turbidity immediately with Lucas reagent?

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31. Which one is an ether? (NEET 2012)

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32. Aldehydes are more reactive than ketones in nucleophilic addition reactions because:

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33. In Williamson ether synthesis, which alkyl halide is least suitable?

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34. F. Wohler synthesised an organic compound, urea from an inorganic compound. That is .......

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35. Which of the following does NOT give silver mirror test?

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36. Which reagent converts aldehydes into corresponding alcohols?

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37. Phenol is more acidic than ethanol because:

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38. The molarity of a solution containing 5 g of NaOH in 450 mL solution is 0.278 mol dm–3.

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39. The functional group present in aldehydes is:

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40. If  the molarity of dilute solution is doubled, then the molal depression constant will be :

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41. Ethers are generally unreactive because:

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