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

Related Mcqs:

1. Which law states that the rate of the effusion of a gas is inversely proportional to the square root of its density?

   A. Graham’s Law
   B. Gay-Lussac’s law
   C. Boyle’s law
   D. None of these

   Submitted by: Malik Asghar Hussain

2. The processes of effusion and diffusion are best understand by________________?

   A. Daltons law
   B. Avogadros law
   C. Grahams law
   D. Charles law

3. One mole of CO2 contains?

   A. 6.022 x 1023 atoms of oxygen
   B. 22-gram electrons
   C. 6.022 x 1023 atms of carbon
   D. both B. & C.

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

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

5. The molecules of CO2 in dry ice form__________________?

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

6. When CO2 is made to react with ethy1 magnesium iodide in dry ether followed by acid hydrolysis yields______________?

   A. Carboxylic acid
   B. Ethanoic acid
   C. Propanoic acid
   D. Butanoic acid

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. CO2 is gas while SiO2 is solid at room temperature?

   A. carbon is non-metal while silicon is semi-metal
   B. CO2 is an independent molecule while SiO2 has network covalent structure
   C. CO2 forms multiple bond while silicon does not form multiple bonds
   D. Silicon has all sigma bonds

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