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1 mol each of the following compounds is...

1 mol each of the following compounds is dissolved in 1 L of
solution. Which will have the largest `Delta T_(b)` value ?

A

HF

B

HCl

C

HBr

D

Hl

Text Solution

Verified by Experts

The correct Answer is:
D
Bond siddociation energy increases in the order.
`HI lt HBr lt HCl lt HF`
HF is most stable halogen acid and HI is the least. Higher the bond dissociation energy, lower is the degree of ionisation.
As we know `Delta T_(b)=ik_(b)m`.
Hence `Delta T_(h)` value is largest in HI. All colligative properties depend on number of particles.
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