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

Related Mcqs:

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

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

2. 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

3. In benzene sulphonic acid the sulphonic group is attached with benzene ring through ___________________?

   A. Hydrogen
   B. Oxygen
   C. Sulphur
   D. OH

4. How many moles of H2 are added up when benzene is heated with hydrogen in the presence of platinum ?

   A. Two
   B. Three
   C. Four
   D. Six

5. What will be the PH of  0.01M ammonium chloride solution containing 10 mol per liter of ammonium chloride (pkb=4.76)?

   A. 5.24
   B. 6.24
   C. 7.24
   D. 8.24 

   Submitted by: Said wali shah

6. Ethyl chloride with nascent hydrogen produces_________________?

   A. methane
   B. ethane
   C. propane
   D. butane

7. Reacting bromine with benzene in the presence of sunlight will result in_______________?

   A. The rupturing of benzene ring
   B. Substitution reaction
   C. Addition reaction
   D. No-reaction

8. Ethy1 chloride on reduction in the presence of Zn/HCI produces___________________?

   A. n. butane
   B. Ethanol
   C. Ethane
   D. Diethy1 ether

9. 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

10. 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