Answer:
In the structure of HF, there is the presence of only one sigma bond and zero double bonds are present in the structure.
Explanation:
The double bonds are the covalent pi bonds. These bonds are formed above or below the sigma bond by the electron cloud of the two atoms.
In the structure of HF, there is the possibility of only one bond being formed. The electron of hydrogen bonds with the 7 electrons of Fluorine and completes the octet of both the atoms.
Since there is only one bond formed between the molecule of Hydrogen and Fluorine, there is 0 double bond in the structure.
The lewis structure of HF will be:
H : F
Zero double bonds are present in the structure of HF.
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