Question

Which of the following orders of melting point of hydrides of halogens is correct?

• A. $HF>$ $HCI>$ $HBr$
• B. $HF<$ $HCI<$ $HBr$
• C. $HF>$ $HCI<$ $HBr$
• D. $HF<$ $HCI>$ $HBr$

Answer 1

Answer: (C)

$HF>$ $HCI<$ $HBr$

Melting point of hydrides increases as we move down the group.
Melting point of $HF>HCl$ due to hydrogen bonding