Class 12 Chemistry (Part Ii) Chapter 11 Alcohols Quiz 21 (16 MCQs)

Quiz Instructions

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1. Molecular formula of benzene ring

Correct Answer: A) C6H6.

2. ..... commonly known as formaldehyde, was used as a biological preservative.

Correct Answer: D) Methanal.

3. The reagent that can be used to differentiate 2-propanol from 1-propanol is

Correct Answer: D) ZnCl$_{2}$/$_{ }$concentrated HCl.

4. Oxidation is the loss of

Correct Answer: A) Hydrogen.

5. 2-butanol heated with acidified KMnO$_{4}$ solution produced

Correct Answer: A) Butanone.

6. Methanol poisoning can be cured using intravenous infusions of-

Correct Answer: C) Diluted ethanol.

7. Main functional group present in alcohol is .....

Correct Answer: C) -OH.

8. The decreasing order of boiling point of the following alcohols is

Correct Answer: B) Pentan-1-ol > 3-methylbutan-2-ol > 2-methylbutan-2-ol.

9. At least how many carbon atoms are found in a tertiary alcohol?

Correct Answer: D) 4.

10. The other name of alkyl halides?

Correct Answer: B) Haloalkanes.

11. Give the reaction conditions of Riemer-tiemann rxn

Correct Answer: A) Chloroform + aq.NaOH.

12. The strongest form of intermolecular bonding that couldbe formed involving the residue of the amino acid valine is

Correct Answer: C) Van der Waals interactions.

13. The reaction between (CH$_{3}$)$_{2}$CHBr with KOH aqueous will give one of the following compounds

Correct Answer: D) CH$_{3}$CH(OH)CH$_{3}$.

14. What is the reaction mechanism involved in the formation of ethers?

Correct Answer: D) Williamson ether synthesis.

15. Which of the following is a use of alcohols?

Correct Answer: D) All of above.

16. What does the oxidation of a secondary alcohol produce?

Correct Answer: C) Ketone.