The gas which cannot be dried by conc. H2SO4 ?

Related Mcqs:

1. Which of the elements show passivity when treated with conc. HNO3?

   A. Fe
   B. A
   C. Cr
   D. All of the above

2. AgCl dissolved with conc (2×10-2) Ksp will be__________________?

   A. 3.6 x 10-6
   B. 3.6 x 10-5
   C. 7.2 x 10-6
   D. 4 x 10-4

3. Greater the conc. Of reactant__________________?

   A. Greater will be dx/dt
   B. Lesser will be dx/dt
   C. dx/dt will be moderate
   D. any of above

4. Treatment of sucrose with conc. HNO3 gives__________?

   A. Nitrosucrose
   B. Glucose+ fructose
   C. Oxalic acid
   D. Laevulinic acid

   Submitted by: Muhammad Ali Kunbhar

5. 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

6. Density of H2SO4 in lead accumulator is__________________?

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

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

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

8. Formaldehyde condenses with phenol in the presence of dilute H2SO4 to yield________________?

   A. Nylon 66
   B. urotropine
   C. Aniline formaldehyde plastic
   D. Bakelite

9. During sulphonation of benzene H2SO4 generates the electrophile _________________?

   A. HSO4-
   B. SO2
   C. SO3
   D. 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