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Which allotropic form of sulfur has a higher melting point: rhombic sulfur or monoclinic sulfur?

Option: 1

Rhombic sulfur has a higher melting point.


Option: 2

Monoclinic sulfur has a higher melting point.


Option: 3

Both forms have the same melting point.


Option: 4

Neither form has a melting point.


Answers (1)

best_answer

Option B Monoclinic sulfur has a higher melting point: This is the correct answer. Monoclinic sulfur has a melting point of 119.0°C, which is higher than the melting point of rhombic sulfur.

Explanation of incorrect option

incorrect option A Rhombic sulfur has a higher melting point: This is incorrect. Rhombic sulfur has a melting point of 115.21^{\circ}C, which is lower than the melting point of monoclinic sulfur.

incorrect option C Both forms have the same melting point: This is incorrect. Rhombic sulfur and monoclinic sulfur have different crystal structures, which lead to differences in their physical properties, including their melting points.

incorrect option D  Neither form has a melting point: This is incorrect. Both rhombic sulfur and monoclinic sulfur have melting points, which are well-established physical properties of these two allotropic forms of sulfur.

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Pankaj

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