Q31. Which of the following statements about the bonding in CH3-CH=CH2 is TRUE? Select one: a. It contains 6 sigma and 3
Posted: Thu Jun 30, 2022 6:29 pm
Q31. Which of the following statements about the bonding inCH3-CH=CH2 is TRUE?
Select one:
a.
It contains 6 sigma and 3 pi bonds
b.
It contains 3 sigma and 6 pi bonds
c.
It contains 8 sigma bonds and one pi bond
d.
It contains 9 sigma bonds
e.
It contains 7 sigma and 2 pi bonds
Q33.
Which of the following statements regarding the Kelvintemperature scale is TRUE?
Select one:
a.
The Kelvin scale is identical to the Celsius scale
b.
Absolute zero is -373 K
c.
The temperature in Kelvin is obtained by subtracting 273 fromthe value of the temperature in Celsius.
d.
There are 100 degrees Kelvin separating the freezing and boilingpoints of water, just as there are 100 degrees Celsius
e.
The boiling point of water at atmospheric pressure is 273 K
Q35.
Substances can be classified as having metallic, ionic,molecular, or network covalent structures. Which of the followingstatement is FALSE?
Select one:
a.
Diamond network covalent.
b.
Potassium chloride is ionic.
c.
Ammonia (NH3) is ionic.
d.
Aluminium is metallic
e.
Fluorine is molecular.
Q36.
Which of the following statements about gasesis FALSE?
Select one:
a.
When a gas condenses, it becomes a liquid.
b.
When you pump up the tyres of your car, the pump puts moremolecules into the tyre's volume and this is why the pressureincreases.
c.
The pressure, volume and temperature behaviour of differentgases will be the same when there is the same number of moles ofgas present.
d.
Gases consist of atoms or molecules that are on average farapart and can be considered to not interact.
e.
The ideal gas constant has different values for differentgases.
Q38.
A 1.0 L volume of oxygen is heated from 27 ˚C to 54 ˚C atconstant pressure. The volume of the gas will:
Select one:
a.
Stay at the same volume.
b.
Decrease to about 0.5 L.
c.
Increase to 1.1 L.
d.
Increase to 2 L in volume.
e.
Increase, but the new volume cannot be determined from theinformation given.
Select one:
a.
It contains 6 sigma and 3 pi bonds
b.
It contains 3 sigma and 6 pi bonds
c.
It contains 8 sigma bonds and one pi bond
d.
It contains 9 sigma bonds
e.
It contains 7 sigma and 2 pi bonds
Q33.
Which of the following statements regarding the Kelvintemperature scale is TRUE?
Select one:
a.
The Kelvin scale is identical to the Celsius scale
b.
Absolute zero is -373 K
c.
The temperature in Kelvin is obtained by subtracting 273 fromthe value of the temperature in Celsius.
d.
There are 100 degrees Kelvin separating the freezing and boilingpoints of water, just as there are 100 degrees Celsius
e.
The boiling point of water at atmospheric pressure is 273 K
Q35.
Substances can be classified as having metallic, ionic,molecular, or network covalent structures. Which of the followingstatement is FALSE?
Select one:
a.
Diamond network covalent.
b.
Potassium chloride is ionic.
c.
Ammonia (NH3) is ionic.
d.
Aluminium is metallic
e.
Fluorine is molecular.
Q36.
Which of the following statements about gasesis FALSE?
Select one:
a.
When a gas condenses, it becomes a liquid.
b.
When you pump up the tyres of your car, the pump puts moremolecules into the tyre's volume and this is why the pressureincreases.
c.
The pressure, volume and temperature behaviour of differentgases will be the same when there is the same number of moles ofgas present.
d.
Gases consist of atoms or molecules that are on average farapart and can be considered to not interact.
e.
The ideal gas constant has different values for differentgases.
Q38.
A 1.0 L volume of oxygen is heated from 27 ˚C to 54 ˚C atconstant pressure. The volume of the gas will:
Select one:
a.
Stay at the same volume.
b.
Decrease to about 0.5 L.
c.
Increase to 1.1 L.
d.
Increase to 2 L in volume.
e.
Increase, but the new volume cannot be determined from theinformation given.