Which has greater affinity for oxygen?

Fetal Hb also has more affinity for oxygen than adult Hb. P50 ( partial pressure at which the hemoglobin molecule is half saturated with O2) for fetal Hb is 19 whereas P50 of adult Hb is 27.

Which has larger electron affinity Na or MG?

Addition of one electron to the 3s-orbital of Na leads to a comparatively stable electronic configuration with fulfilled orbital. additional energy is required for addition of electron to outermost shell of Mg i.e., this process is endothermic and thus the valueof electron affinity of Mg is positive.

What element has highest affinity?

Chlorine
Chlorine has the highest electron affinity among the elements. Its high affinity can be attributed to its large atomic radius, or size. Because chlorine’s outermost orbital is 3p, its electrons have a large amount of space to share with an incoming electron.

Which has higher electron affinity N or O?

Answer: Oxygen has more electron affinity because Nitrogen gains more stability by attaining partial configuration.

What is oxygen affinity?

Interactions: Affinity/Release. Hemoglobin oxygen affinity is the continuous relationship between hemoglobin oxygen saturation and oxygen tension. As each heme group accepts oxygen, it becomes progressively easier for the next heme group of the molecule to pick up oxygen.

What affects affinity for oxygen?

The affinity of hemoglobin is affected by temperature, hydrogen ions, carbon dioxide, and intraerythrocytic 2,3-DPG, with all these factors mutually influencing each other.

Why does Mg have a more favorable electron affinity than na?

It doesn’t take much energy to remove one electron from a sodium atom to form an Na+ ion with a filled-shell electron configuration. The first ionization energy of magnesium is larger than sodium because magnesium has one more proton in its nucleus to hold on to the electrons in the 3s orbital.

What is the electron affinity of Na?

Electron Affinity of Sodium is 52.8 kJ/mol.

Does oxygen have high electron affinity?

The second electron affinity of oxygen is particularly high because the electron is being forced into a small, very electron-dense space.

Which has less affinity for Haemoglobin?

Haemoglobin has less affinity for Carbon dioxide as compared to oxygen because Carbon dioxide is a larger molecule than oxygen. After binding, structure will not stabilize as oxygen atoms will show strong steric hindrance. Ammonia is also having less affinity because it is also a larger molecule.

What increases oxygen affinity for hemoglobin?

So, a low pH by itself decreases the affinity of haemoglobin for oxygen. However, by inhibiting the production of 2,3-DPG, low pH increases the affinity of haemoglobin for oxygen. The interaction of these two competing actions results in a useful homeostatic mechanism.

Which has a higher electron affinity – carbon or oxygen?

Oxygen has a higher electron affinity than carbon. Electron Affinity increases left to right in a Period. In Period-2, element Carbon has an electron affinity of -1.25 e V and element Oxygen has an electron affinity of -1.48 e V.

What is the relationship between electron affinity and electronegativity?

Electron affinity is related to electronegativity of elements. Simply speaking, the greater the affinity of electrons, the more eagerly the atoms of a given element join electrons to form ions (anions). The electronic affinity is most often given in electron volts (eV) or in kilojoules per mole (kJ / mol). Theoretically,…

Why do electrons in oxygen and nitrogen have different orbitals?

The three electrons in the 2 p orbitals on nitrogen therefore enter different orbitals with their spins aligned in the same direction. In oxygen, two electrons must occupy one of the 2 p orbitals. The force of repulsion between these electrons is minimized to some extent by pairing the electrons.

Which is the most stable allotrope of oxygen?

The most stable allotrope of oxygen is O2. b. Oxygen is a colorless gas at room temperature. c. The chemical formula of ozone is O3. d. Dry air is about 79\% oxygen. e. Oxygen forms peroxide and superoxide anions.