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Chemistry Worksheets Class 12 on Chapter 10 Haloalkanes and Haloarenes with Answers - Set 2

Compounds derived from hydrocarbons by replacing one or more hydrogen atoms with halogen atoms are known as halogen derivatives. The halogen derivatives of alkanes are known as alkyl halides or haloalkanes. In contrast, the halogen derivatives of arenes are known as aryl halides or haloarenes, respectively.

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Chemistry Worksheets Class 12 on Chapter 10 Haloalkanes and Haloarenes with Answers - Set 2
Chemistry Worksheets Class 12 on Chapter 10 Haloalkanes and Haloarenes with Answers - Set 2

CBSE Class 12 Chemistry Chapter 10 Haloalkanes and Haloarenes Worksheet – Set 2

Q1. A Grignard reagent can be prepared by reacting magnesium with

(a) Methylamine

(b) Diethyl ether

(c ) Ethyl iodide

(d) None of the above

Q2. The reactivity order of halide ion in alkyl halide is

(a) F > Cl > Br > I

(b) Cl > F > Br > I

(c ) I > Br > Cl > F

(d) Br > I > Cl > F

Q3. Non-sticking fry pans are coated with

(a) Tetra fluoro ethylene (Teflon)

(b) Chloro fluoro methane

(c ) Ethylene

(d) None of the above

Q4. Choose the correct statement about alkyl halide

(a) They show hydrogen bonding.

(b) They are soluble in water.

(c ) They are soluble in organic solvents.

(d) They do not contain any polar bonds.

Q5. 20% aqueous solution of sodium chloride containing ethyl alcohol on electrolysis gives

(a) Ethyl chloride

(b) Chloral

(c ) Chloroform

(d) None of the above

Q6. Write the IUPAC name of the following compound.

iupac

Q7. Write any chemical test that is used to distinguish between C2H5Br and C6H5Br.

Q8. What happens when methyl bromide reacts with potassium cyanide?

Q9. Draw the structure of Bromo pentane.

Q10. How will you convert benzyl chloride to benzyl alcohol?

Q11. Why do haloalkanes undergo nucleophilic substitutions, whereas haloarenes undergo electrophilic substitutions?

Q12. How will you differentiate an SN1 reaction from an SN2 reaction?

Q13. Why is haloalkane insoluble in water?

Q14. Why does allyl chloride gets hydrolysed readily and n-propyl chloride doesn’t?

Q15. What is wurtz- fittig reaction?

Q16. Why is benzyl chloride highly reactive toward the SN1 reaction?

Q17. What is an enantiomer?

Q18. What is a diastereomer?

Q19. Why are pentahalides more covalent than trihalides?

Q20. What will happen if

(i) Ethyl bromide reacts with silver nitrate solution.

(ii) Methyl bromide reacts with sodium metal in the presence of dry ether.

(iii) Ethyl bromide reacts with sodium ethoxide.

(iv) Ethyl bromide reacts with magnesium metal.

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