English
Karnataka Board PUCPUC Science 2nd PUC Class 12

Low concentration of oxygen in the blood and tissues of people living at high altitude is due to ______.

Advertisements
Advertisements

Question

Low concentration of oxygen in the blood and tissues of people living at high altitude is due to ______.

Options

  • Low temperature

  • Low atmospheric pressure

  • High atmospheric pressure

  • Both low temperature and high atmospheric pressure

MCQ
Fill in the Blanks
Advertisements

Solution

Low concentration of oxygen in the blood and tissues of people living at high altitude is due to low atmospheric pressure.

Explanation:

At high altitudes the atmospheric pressure is decreased and due to low atmosphere pressure the solubility oxygen in blood and tissues is reduced.

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Solutions - Exercises [Page 18]

APPEARS IN

NCERT Exemplar Chemistry Exemplar [English] Class 12
Chapter 2 Solutions
Exercises | Q I. 6. | Page 18

RELATED QUESTIONS

What is the effect of temperature on solubility of a gas in a liquid?


Explain, why do aquatic animals prefer to stay at lower level of water during summer?


Gas (A) is more soluble in water than Gas (B) at the same temperature. Which one of the two gases will have the higher value of KH (Henry’s constant) and why


Why do gases always tend to be less soluble in liquids as the temperature is raised?


Henry’s law constant for CO2 in water is 1.67 × 108 Pa at 298 K. Calculate the quantity of CO2 in 500 mL of soda water when packed under 2.5 atm CO2 pressure at 298 K.


Which mixture is used for respiration by deep sea divers?

(A) He + O2

(B) Ne + O2

(C) Ar + O2

(D) Kr + O2


How does solubility of a gas in water varies with the temperature?


The solubility product (Ksp) of BaSO4 is 1.5 X 10-9.Calculate the solubility of barium sulphate in pure water and in 0.1 M BaCl2.


State Henry's Law. What is the effect of temperature on the solubility of a gas in a liquid?


The solubility product of PbCl2 at 298K is 1.7 × 10-5. Calculate the solubility of PbCl2 in g/lit. at 298K. 
Atomic Weights: [Pb = 207 and Cl = 35.5]


The statement “If 0.003 moles of a gas are dissolved in 900 g of water under a pressure of 1 atmosphere, 0.006 moles will be dissolved under a pressure of 2 atmospheres”, illustrates.


Henry’s law constant of oxygen is 1.4 × 10–3 mol lit–1 atm–1 at 298 K. How much of oxygen is dissolved in 100 ml at 298 K when the partial pressure of oxygen is 0.5 atm?


KH value for \[\ce{Ar(g)}\], \[\ce{CO2(g)}\], \[\ce{HCHO (g)}\] and \[\ce{CH4(g)}\] are 40.39, 1.67, 1.83 × 10–5 and 0.413 respectively. Arrange these gases in the order of their increasing solubility.


Explain the following phenomena with the help of Henry’s law.

Painful condition known as bends.


The solubility of a gas in water depends on ______


If O2 gas is bubbled through water at 303 K, the number of millimoles of O2 gas that dissolve in 1 litre of water is ______. (Nearest integer)

(Given: Henry's Law constant for O2 at 303 K is 46.82 k bar and partial pressure of O2 = 0.920 bar)

(Assume solubility of O2 in water is too small, nearly negligible)


In which of the following solvents, the \[\ce{C4H8NH3+X–}\] is soluble?


Assertion (A): Helium is used to dilute oxygen in diving apparatus.

Reason (R): Helium has high solubility in O.

In the light of the above statements, choose the correct answer from the options given below:


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×