In Group 17, HF has abnormally high melting and boiling points as compared to other hydrides of the group.

In Group 17, hydrogen halides like HF, HCl, HBr, and HI exhibit a trend where the boiling and melting points increase as we move down the group. However, HF stands out as having abnormally high melting and boiling points compared to the other halogen hydrides. This anomaly can be explained by the presence of strong __________ ____ _______ ___ _______ ___ _________.
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