Question

vf5 is known but vcl5 is unstable
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Answer 1

Answer:

Vanadium(V) chloride is the inorganic compound with the formula VCl5. It is a black diamagnetic solid. The molecules adopt a bioctahedral structure similar to that of niobium(V) chloride.[1]

Answer 2

Answer:

Explanation:

Vanadium(V) fluoride:

• The inorganic substance with the chemical formula $VF_{5}$ is called vanadium(V) fluoride.
• It is a volatile liquid with no color.  
• It has a high reactivity, as evidenced by the fact that it can fluorinate organic compounds.
• Fluoride compounds have a wide range of uses in modern science and technology, from etching and oil refining to synthetic organic chemistry and the production of pharmaceuticals.

Vanadium(V) Chloride:

• The inorganic compound with the formula $VCl_{5}$ is called vanadium(V) chloride.
• It is a solid that is black and diamagnetic. A dioctahedral structure similar to niobium(V) chloride is adopted by the molecules.
• When excess boron trichloride is added to vanadium pentafluoride, vanadium(V) chloride is produced and it is unstable.

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