Which hydrogen halide has the strongest bond?
The strength of a bond in hydrogen halide depends on the following factors:
Decreasing order of bond strength:
HF ＞ HCl ＞HBr ＞ HI
As hydrogen having one electron in valence shell (belongs to group 1) easily form a bond to complete its duplet. On the other hand,halogens (group 7 elements) having florine is the most electronegative element of the periodic table.
Halogens(F, Cl, Br & I) having 7 valence electrons form a covalent bond with hydrogen to complete its octet ( 8 electrons),result in the formation of covalent bond.
Factors affecting the strength of hydrogen halide are discussed below:
How atomic size affects the strength of a hydrogen halide bond?
How bond length affects the strength of a hydrogen halide bond?
How bond energy affects the strength of a hydrogen halide bond?
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