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The density of gaseous HF at 1.0 atm and 300 K is 3.17 g/L. Hence, HF in gaseous state is –(F = 18)

(A) Dimer

(B) Monomer

(C) Tetramer

(D) Data insufficient

Simran Bhatia , 12 Years ago

Grade 11

1 Answers

Simran Bhatia

(C)

Sol. PM = dRT = 75 (approx.)

Normal Molecular wt. of HF = 18 Þ HF is tetramer (HF)₄

in gaseous state due to H-bonding

Last Activity: 12 Years ago

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Modern Physics> density-of-gaseous-hf...

The density of gaseous HF at 1.0 atm and 300 K is 3.17 g/L. Hence, HF in gaseous state is –(F = 18) (A) Dimer (B) Monomer (C) Tetramer (D) Data insufficient

Simran Bhatia , 12 Years ago

Simran Bhatia

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The density of gaseous HF at 1.0 atm and 300 K is 3.17 g/L. Hence, HF in gaseous state is –(F = 18)

(A) Dimer

(B) Monomer

(C) Tetramer

(D) Data insufficient

A nucleus X¹⁸⁴ at rest emitt alpha particle With kinetic energy 9.0MeV. The product Nucleus is Y. The values of Binding energy per nucleon of alpha particle & Y differ by 1.5MeV. The values of Binding energy per nucleon of X & Y differ by (n÷230) MeV, then n is

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