Removal of CO2 is called_____________________?

Related Mcqs:

1. Removal of halogen and hydrogen atom is_________________?

   A. halogenation
   B. dehalogenation
   C. dehydrohalogenation
   D. hydrohalogenation

2. 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.

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

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

4. The molecules of CO2 in dry ice form__________________?

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

5. 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

6. 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

7. 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

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. 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

10. When one hydrogen atom of alkane is removed then it is called________________?

    A. alkene
    B. alkyl
    C. aldehyde
    D. saturated hydrocarbon