During sulphonation of benzene H2SO4 generates the electrophile _________________?

Related Mcqs:

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

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

2. Which one of the following species is not an electrophile ?

   A. NH3 B. Br+ C. H+ D. BF3...

3. Which compound will readily undergo sulphonation ?

   A. Benzene B. Nitro benzene C. Toluene D. Chlorobenzene...

4. The reaction of carboxylic acids with alcohols in presence of cone. H2SO4 is called _________________?

   A. esterification B. neutralization C. hydrolysis D. saponification...

5. The pH of 10-3 mol dm-3 of an aqueous solution of H2SO4 is_________________?

   A. 3 B. 2.7 C. 2 D. 1.5...

6. Which of the following solutions of H2SO4 is more concentrated ?

   A. 1 Molar solution B. 1 molal solution C. 1 normal solution D. all have same concentration...

7. Density of H2SO4 in lead accumulator is__________________?

   A. 1.25g/cm3 B. 1.3g/cm3 C. 1.20g/cm3 D. 1.15g/cm3...

8. Consider the following reaction- 2KCIO3 + H2C2O4 + H2SO4 ? K2SO4 + 2H2O + 2CO2 + Oxide Which oxide of chlorine is produced in the above reaction ?

   A. Cl2O B. ClO2 C. Cl2O6 D. Cl2O7...

9. K2Cr2O7/H2SO4 generate____________________?

   A. Oxygen B. Hydrogen C. Nascent oxygen[O] D. Nascent hydrogen[H]...

10. The PH of the 0.0032 M H2SO4 is__________?

    A. 3.2 B. 4.0 C. 2.198 D. 1.0 Submitted by: Muhammad Ali Kunbhar...