What is the molecular Weight of Nitric acid (HNO3 ) ?

Related Mcqs:

1. Find the PH of a 0.001 M solution of Nitric acid HNO3?

   A. 2
   B. 3
   C. 4
   D. 5

   Submitted by: Muhammad Ali Kunbhar

2. Consider the following redox reaction. Zn+dil HNO3? Zn (NO3)2 + N2O + H2O The coefficient number of HNO3 in the equation is__________________?

   A. 6
   B. 8
   C. 10
   D. 4

3. Oxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?

   A. 20cm3/min
   B. 40cm3/min
   C. 160cm3/min
   D. 2.5cm3/min

4. What is the molecular formula for Nitric acid ________ ?

   A. HNO2
   B. HNO3
   C. HN2O2
   D. H2NO4

   Submitted by: Rashid Mehmood

5. When phenol is heated with concentrated nitric acid the product is________________?

   A. Picric acid
   B. o-nitrophenol
   C. 1 3 5 -trinitro benzene
   D. p-nitrophenol

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

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

7. Treatment of sucrose with conc. HNO3 gives__________?

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

   Submitted by: Muhammad Ali Kunbhar

8. The determination of correct molecular weight from Raoults law is applicable to_________________?

   A. a volatile solute in dilute solution
   B. a non-electrolyte & non volatile solute in concentrated solution
   C. a non-electrolyte & non volatile solute in concentrated solute
   D. non volatile solute in a dilute solution

9. What is the molecular weight of Ammonia (NH3) ________ ?

   A. 17.031 g/mol
   B. 18.031 g/mol
   C. 19.031 g/mol
   D. 27.033 g/mol

   Submitted by: Rashid Mehmood

10. A brivalent metal has the equivalent weighr of 12. The molecular weight to its oxide will be_______?

    A. 24
    B. 32
    C. 36
    D. 40

    Submitted by: Muhammad Ali Kunbhar