One mole of CO2 contains?

Related Mcqs:

1. 0.5 mole of nitrogen gas and 0.5 mole of carbon monoxide gas at STP have same_____________?

   A. Value of a
   B. Mass
   C. Atoms
   D. Both B and C

2. The number of moles of CO2 which contains 16 g of oxygen is__________________?

   A. 0.25
   B. 0.5
   C. 0.75
   D. 1

3. When 0.5 mole of phosphoric acid is dissolved in aqueous solution how many moles of -ve and +ve ions are collected altogether ?

   A. 0.5
   B. 1
   C. 1.5
   D. 2

4. 1 mole of electron has mass in microgram_________________?

   A. 1.008 x 10-3
   B. 5.5 x 10-4
   C. 1.84 x 10-4
   D. 1.673 x 10-3

5. If a graph is plotted between temperature on x-axis and volume on y-axis for 1 mole of gas then we get straight line which cuts the temperature exis at________________?

   A. 0?C
   B. 273.16K
   C. ?273.16 K
   D. ?273.16?C

6. The molecules of CO2 in dry ice form__________________?

   A. Ionic crystal
   B. Covalent crystal
   C. Molecular crystal
   D. Any type of crystal

7. Which of the following is the best explanation that CO2 is non polar molecule __________________?

   A. Linear geometry
   B. Dipole moment is zero
   C. Sp hybridization
   D. None

8. What is the relative rate of effusion of CO and CO2 ?

   A. CO is 1.25 times faster than CO2
   B. CO is 3.75 times faster than CO2
   C. CO is 1.25 times faster than CO
   D. Both diffuse at the same rate

9. Removal of CO2 is called_____________________?

   A. carboxylation
   B. decarboxylation
   C. esterification
   D. hydroxylation

10. When CO2 is made to react with ethyl magnesium iodide followed by acid hydrolysis the product formed is _________________?

    A. propane
    B. propanoic acid
    C. propanal
    D. propanol