Alkyl halides undergo a type of reaction_________________?

Related Mcqs:

1. In primary alkyl halides the halogen atom is attached to a carbon which is further attached to how many carbon atoms__________________?

   A. two B. three C. one D. four...

2. The best method of preparation of alkyl halides is a reaction of alcohol with__________________?

   A. Zn / HCI B. SOCl2 / Pyridine C. PCI3 D. PCI5...

3. 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...

4. Which alkyl halide has the highest reactivity for a particular alkyl group ?

   A. R-F B. R-C C. R-Br D. R-I...

5. Replacement of hydrogen of benzene by alkyl group in the presence of alkyl halide & aluminum chloride is known as__________________?

   A. Dows process B. Friedel & Craft acylation C. Friedel & Craft alkylation D. Clemmenson reduction...

6. Which of the following type of reaction is 3rd order reaction_________________?

   A. 2N2O5 = 2N2O4 + O3 B. NO + O3 ? NO2 + O2 C. 2FeCl3 + 6KI ? 2FeI2 + 6KCl + I2 D. None of these...

7. Halides in which halogen atoms act as a bridge between two atoms of the other element are called___________________?

   A. Covalent halides B. Electronegative halides C. Polymeric halides D. Polymeric hydrides...

8. When alcohol reacts with phosphorous halides it geive____________________?

   A. alkyl halides B. alkyl amine C. alkanes D. alkynes...

9. 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...

10. Which alcohol will undergo elimination reaction to give alkene in the presence of acidic potassium dichromate ?

    A. Primary alcohol B. Secondary alcohol C. Tertiary alcohol D. All of above...