Sigma Percentile
JEE Main 2019
LEVELBoard

Animated Solution for Chemistry - Environmental Chemistry: Excessive release of into the atmosphere results in

Select Answer:

Visualized Solution

The Earth's Atmosphere

  • The Earth's atmosphere acts as a protective layer.

Incoming Solar Radiation

  • Solar radiation (UV and visible light) passes through the atmosphere.

Reflected Infrared Radiation

  • Earth reflects energy as Infrared (IR) radiation.

Role of

  • is a greenhouse gas that absorbs IR radiation.

Trapping the Heat

  • Trapped heat leads to an increase in Earth's average temperature.

Global Warming

  • Excessive More trapped heat Global Warming.

Final Answer

  • Correct Option: (d) global warming

The Sigma Insight: Atmospheric Pollution

Solution Diagram

The Protective Blanket

Imagine our Earth floating in the vast, cold expanse of space. What keeps it warm and hospitable for life? It is wrapped in a protective blanket called the atmosphere.
This atmosphere is a delicate mixture of gases that maintains the perfect temperature balance.

The Solar Dance

Every day, the Sun sends massive amounts of energy towards the Earth in the form of solar radiation. This energy consists mostly of visible light and ultraviolet rays.
Because these waves have short wavelengths, they easily pass through the atmosphere and reach the Earth's surface, warming it up.

The Infrared Reflection

Once the Earth absorbs this solar energy, it doesn't just hold onto it forever. It reflects the energy back towards space.
However, the reflected energy is no longer visible light; it is transformed into long-wave infrared radiation, which we feel as heat.

The Role of Carbon Dioxide

This is where greenhouse gases like come into play. While allows short-wave solar radiation to pass through, it is highly effective at absorbing long-wave infrared radiation.
When the Earth tries to radiate heat back into space, the molecules in the atmosphere intercept it. They absorb the heat and re-radiate it in all directions, including back down to the Earth's surface.

The Consequence of Excess

A certain amount of is essential; without it, the Earth would freeze. But what happens when we release excessive amounts of through burning fossil fuels and deforestation?
More means a thicker "blanket." More infrared heat is trapped, and less escapes into space. This continuous trapping of heat leads to a steady rise in the Earth's average temperature.
This phenomenon is exactly what we call Global Warming. Therefore, the excessive release of directly results in global warming.

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