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Which allotropic form of sulfur is found in the Earth's mantle and is believed to play a key role in the Earth's core-mantle sulfur cycle?

Option: 1

Rhombic sulfur


Option: 2

Monoclinic sulfur


Option: 3

High-pressure sulfur


Option: 4

 Low-pressure sulfur


Answers (1)

best_answer

option C High-pressure sulfur. High-pressure sulfur is a stable form of sulfur that is found in the Earth's mantle and is believed to play a crucial role in the core-mantle sulfur cycle, which involves the transport of sulfur between the Earth's core and mantle. 

Explanation of incorrect option

incorrect option A Rhombic sulfur: This is incorrect. Rhombic sulfur is an allotropic form of sulfur that exists at standard temperature and pressure, and is not found in the Earth's mantle.

incorrect option B Monoclinic sulfur: This is incorrect. Monoclinic sulfur is another allotropic form of sulfur that exists at standard temperature and pressure, and is not found in the Earth's mantle.

incorrect option D This is incorrect. There is no such known allotropic form of sulfur called "low-pressure sulfur." While sulfur can exist in different allotropic forms under different pressure and temperature conditions, the term "low-pressure sulfur" is not a recognized scientific term.

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Ritika Harsh

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