Alkyl halides undergo a type of reaction_________________?
A. Nucleophilic substitution
B. Nucleophilic addition
C. Elimination
D. both A & C
Submitted by :- Jamil Ahmed
CHEMISTRY
Prepare for your upcoming test with a comprehensive collection of Chemistry multiple-choice questions (MCQs), ranging from basic to advanced topics. These Chemistry MCQs cover various sections of the subject, providing you with valuable practice and boosting your chances of scoring well in the Chemistry portion of the test. Whether you’re a student or a job seeker preparing for exams, these MCQs will prove beneficial for your test preparation.
| Now you can submit here the latest Chemistry MCQs. SUBMIT HERE |
|---|
Ethylene epoxide treated with Grignards reagent followed by acid hydrolysis yield __________________?
A. primary alcohol
B. tertiary alcohol
C. secondary alcohol
D. dihydric alcohol
Submitted by :- Jamil Ahmed
Which of the following is the process of removing matrix/gangue by fusing with flux?
- Roasting
- Sintering
- Calcination
- Smelting
Submitted by :- Muhammad Nawaz
Which ore is/are used for Pb extraction?
- Galena
- Zinc blende
- Cinnabar
- Calamine
Submitted by :- Muhammad Nawaz
Alkyl halides are considered to be very reactive compounds towards nucleophile because_________________?
A. they have an electrophilic carbon
B. they have an electrophilic carbon & a good leaving group
C. they have an electrophilic carbon & a bad leaving group
D. they have a nucleophilic carbon & a good leaving group
Submitted by :- Jamil Ahmed
Which of the following ores is/are separated by froth floatation method?
- Galena (PbS)
- Copper pyrite (CuFeS2)
- Zinc blende (ZnS)
- All of these
Submitted by :- Muhammad Nawaz
For which mechanisms the first step involved is the same ?
Which is/are physical methods for ore concentration?
- Gravity seperation
- Magnetic separation
- Froth floatation method
- All of these
Submitted by :- Muhammad Nawaz
SN2 reaction can be best carried out with__________________?
A. primary alkyl halide
B. secondary alkyl halide
C. tertiary alkyl halide
D. all
Submitted by :- Jamil Ahmed
When CO2 is made to react with ethyl magnesium iodide followed by acid hydrolysis the product formed is _________________?
A. propane
B. propanal
C. propanoic acid
D. propanol
Submitted by :- Jamil Ahmed