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← ScienceWhich outcome occurs when compressing gaseous silane (SiH₄) beyond its critical point?
A)Molecular orientation greatly increases.✓
B)Covalent bond angles significantly decrease.
C)Intermolecular forces cause self-ionization.
D)Van der Waals' forces cause crystallization.
💡 Explanation
Compressing silane beyond its critical point results in increased molecular orientation due to increased density, changing refractive index because dipoles align due to increased electric susceptibility near the phase transition; therefore orientation increases greatly rather than forcing changes in covalent bonds.
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