The correct order of melting points of hydrides of group 16 elements is

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Canvas Classes · Accepted Answer

Melting points of Group 16 hydrides:

| Hydride | Melting point |
|---|---|
|  | −85.5°C (lowest among H₂S, H₂Se, H₂Te) |
|  | −65.7°C |
|  | −49°C |
|  | 0°C (anomalously high due to strong H-bonding) |

For , , : melting points increase with molecular mass (stronger van der Waals forces).

has anomalously high melting point due to extensive hydrogen bonding.

Order:

Answer: Option (1)

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