# Hemoglobin (Hb) can form a complex with both O 2 and CO. For the reaction HbO 2 (aq) + CO(g) ⇄ HbCO(aq) + O 2 (g) at body temperature, K is about 200. If the ratio [HbCO]/[HbO 2 ) comes close to 1, death is probable. What partial pressure of CO in the air is likely to be fatal? Assume the partial pressure of O 2 is 0.20 atm.

### Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781337399074

### Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781337399074

#### Solutions

Chapter
Section
Chapter 15, Problem 57GQ
Textbook Problem

## Hemoglobin (Hb) can form a complex with both O2 and CO. For the reactionHbO2(aq) + CO(g) ⇄ HbCO(aq) + O2(g)at body temperature, K is about 200. If the ratio [HbCO]/[HbO2) comes close to 1, death is probable. What partial pressure of CO in the air is likely to be fatal? Assume the partial pressure of O2 is 0.20 atm.

Expert Solution
Interpretation Introduction

Interpretation:

The partial pressure of CO in the reaction of complex formation with haemoglobin in the air that is likely to be fatal has to be determined.

Concept Introduction:

Equilibrium constant in terms of pressure[Kp]: Equilibrium constant can be expressed in terms of partial pressures in atmospheres.

aA(g)+bB(g)cC(g)+dD(g)KP=PCc×PDdPAa×PBb

### Explanation of Solution

Given:

HbO2(aq)+CO(g)HbCO(aq)+O2(g)K=200PO2=0.20atm

For this equation:

HbO2(aq)+CO(g)HbCO(aq)+O2(g)

K=[HbCO][O<

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