The gas that can be collected by downward displacement of air is

Bt1

2 years ago

Option D is correct

Any gas that's is more denser than Air are collected via downward delivery (upward displacement)
which includes So2,Co2,No2,Cl2 ,N2,Hcl
Also gases less dense than air will be collected via upward delivery or downward displacement this includes H2,NH3,CH4,C2H6

ShyDidi

1 year ago

Repeated jamb question, in 2001 and 2017

Oluwatobisams94

7 years ago

Your explanation is contrary

itseghosime

5 years ago

They asked for downward not upward dosplacement

Estherita

5 years ago

The answer is correct but you guys made mistake in the write up it is downward not upward

BasseyDawn

2 months ago

If the molar mass is greater than 32 or there is oxygen add to an element, it would be collected by downward displacement of air(Upward Delivery)
Cl = 35.5g/dm³
SO2 = CO2 =There is oxygen and an element
NH3 = 18g/dm³ it is less than 32.

JolaiyaAkinwale

3 years ago

downward displacement of air
is also called upward delivery of air

Chdhjhfb

1 year ago

B is the corrext answer because SO2 is heavier than air so its collect bh downward delivery while Ammonia is lighter than air so its collect by upward delivery