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The color of chlorine gas is:
(A)- Red
(B)- Purple
(C)- Orange
(D)- Green
(E)- Blue

seo-qna
Last updated date: 13th Jun 2024
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Answer
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Hint: Color which is naturally available in the environment and we will see that around us is also the color of the chlorine gas. Chlorine is a chemical substance that is generally used in chemistry laboratories.

Complete answer:
Chlorine is denoted as ${}_{{\text{17}}}^{{\text{35}}{\text{.5}}}{\text{Cl}}$ in the periodic table and it is placed in the second number after fluorine in the ‘VII A’ group of p – block.
-From ${}_{{\text{17}}}^{{\text{35}}{\text{.5}}}{\text{Cl}}$ it is clear that Atomic number (${\text{Z}}$) of chlorine is $17$ and atomic mass of chlorine $35.5$.
-Chlorine is a halogen gas and it is mostly present in the gaseous state in the nature, but it becomes liquid at very low temperature of about ${\text{ - 3}}{{\text{4}}^{\text{0}}}{\text{C}}$.
-Appearance of chlorine gas is yellowish – green or we can say that green only.
So, the color of chlorine gas is green.

Hence option (D) is correct.

Additional information:
Weight of chlorine gas is heavier than normal air present in the atmosphere and due to this heavy weight it is mostly present in the lower atmospheric layers.
-Chlorine gas is poisonous in nature and one time it is also used in the world war for attacking the opposite party.
-Due to its poisonous nature, it is behaving as a pulmonary irritant and causes health hazards.

Note:
As the appearance of chlorine gas is yellowish – green, some of you may think that chlorine gas is not green in color which is not correct. And as we move down in the halogen group the color of the element gets dark.