Which one is not a nucleophile ?

Related Mcqs:

1. 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...

2. Strong Nucleophile in polar aprotic solvent?

   A. Flouride ion B. Bromide ion C. Chloride ion D. Iodide ion Submitted by: Safeullah Bullo...

3. What is the order of kinetics in the SN1 mechanism ?

   A. Zero B. First C. Second D. Third...

4. The ether used in Wurtz synthesis is__________________?

   A. acidic B. basic C. aqueous D. dry...

5. Which one of the following alcohols will be formed when ethyl magnesium bromide reacts with acetone ?

   A. primary alcohol B. secondary alcohol C. tertiary alcohol D. dihydric alcohol...

6. Which one of the following molecules does not form alcohol when reacts with Grignard reagent ?

   A. formaldehyde B. acetaldehyde C. propanone D. carbondioxide...

7. Which alkyl halide out of the following may follow both SN1 and SN2 mechanism ?

   A. CH3-X B. (CH3)3 C-CH2 – X C. (CH3)2 CH – X D. (CH3)3 C – X...

8. When two moles of ethyl chloride react with two moles of sodium in the presence of ether what will be formed ?

   A. 2 moles of ethane B. 1 mole of ethane C. 2 moles of butane D. 1 mole of butane...

9. Ethylene epoxide treated with Grignards reagent followed by acid hydrolysis yield __________________?

   A. primary alcohol B. secondary alcohol C. tertiary alcohol D. dihydric alcohol...

10. Alkyl halides undergo a type of reaction_________________?

    A. Nucleophilic substitution B. Nucleophilic addition C. Elimination D. both A & C...