Here you can prepare class 12 chemistry chapter 16 Alkyl Halides solved MCQs that help Sindh board students in their exam.
12 Class Chemistry Chapter 16 MCQs with Answers
This 2nd year’s chemistry chapter 16 Sindh board MCQs are also helpful for Karachi, Hyderabad, Larkana, and Sukkur board students in their examination preparation.
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1. C-Cl bond of chlorobenzene in comparison to C-Cl bond in methyl chloride is:
a) Longer and weaker
b) Shorter and weaker
c) Shorter and stronger
d) Longer and stronger
Answer: c) Shorter and stronger
2. A Grignard reagent may be made by reacting magnesium with:
a) Methyl amine
b) Diethyl ether
c) Ethyl iodide
d) Ethyl alcohol
Answer: c) Ethyl iodide
3. Phosgene is commonly known as:
a) thionyl chloride
b) carbonyl chloride
c) carbon dioxide and phosphine
d) phosphoryl chloride
Answer: b) carbonyl chloride
4. Arenes are polar:
a) TRUE
b) FALSE
Answer: b) FALSE
5. Which among these is not a representative arene compound
a) Durene
b) Picric chloride
c) Aspirin
d) Mesitylene
Answer: b) Picric chloride
6. The main sources of these arenes are ________
a) Petroleum
b) Biogas and petroleum
c) Petroleum and coal tar
d) Natural gas
Answer: c) Petroleum and coal tar
7. Arenes does not undergo __________
a) Dehydrogenation
b) Coupling reaction
c) Halogenation
d) Cyclo additions
Answer: a) Dehydrogenation
8. Which of the following is not the method of preparation of alkyl halide
a) Darzen’s method
b) Halogenation of alkene
c) Addition of HX on alkenes
d) Hydration of alkene
Answer: d) Hydration of alkene
Conclusion
The topic of this post is class 12 chemistry chapter 16 MCQs with solved answers for board exam preparation that helps Sindh board students.
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