What is it called when a compound donates electrons?
An electron donor is a chemical entity that donates electrons to another compound. In chemistry, the class of electron donors that donate not just one, but a set of two paired electrons that form a covalent bond with an electron acceptor molecule, is known as a Lewis base.
Which compound donates electrons to the electron transport chain?
NADH
NADH is the electron donor for the electron transport chain. The first complex to accept the donated electrons is NADH dehydrogenase.
Which elements are electron donors?
Some prokaryotes can use inorganic matter as an energy source. Such organisms are called lithotrophs (“rock-eaters”). Inorganic electron donors include hydrogen, carbon monoxide, ammonia, nitrite, sulfur, sulfide, and ferrous iron.
What happens when a compound donates electrons?
When a compound donates (loses) electrons, that compound becomes oxidized. In glycolysis, the carbon-containing compound that functions as the electron donor is glucose. 4. Once the electron donor in glycolysis gives up its electrons, it is oxidized to a compound called pyruvate.
When a compound gains electrons what does it become?
Ch 9 BioflixX
| Question | Answer |
|---|---|
| When a compound donates (loses) electrons, that compound becomes oxidized | Such a compound is often referred to as an electron donor |
| When a compound accepts (gains) electrons, that compound becomes reduced | Such a compound is often referred to as electron accepter |
Which compound is the final electron acceptor?
Oxygen
Oxygen is the final electron acceptor in the electron transport chain, showing the need for aerobic conditions to undergo such a process. ATP is produced as a product of the electron transport chain, while glucose and CO2 play a role in earlier processes of cellular respiration.
Is NADH a protein?
NADH dehydrogenase (complex I) is a protein composed of 42 subunits, 7 of which are encoded by the mitochondrial genome.
Which is the best electron donor?
Oxygen (O2) is the best electron acceptor and is used in many aerobic reactions (reactions with oxygen). Hydrogen gas (H2) is a good electron donor.
Is glucose an electron donor?
This generates the most ATP for a cell, given the large amount of distance between the initial electron donor (glucose) and the final electron acceptor (oxygen), as well as the large number of electrons that glucose has to donate.
Why is oxygen an electron acceptor?
Cellular respiration is dependent on which of the following atoms? Explanation: In cellular respiration, oxygen is the final electron acceptor. Oxygen accepts the electrons after they have passed through the electron transport chain and ATPase, the enzyme responsible for creating high-energy ATP molecules.
How to calculate the number of electrons in a compound?
Identify if there are any overall charges on the molecular complex. Identify the charge of each ligand. Determine the number of electrons from each ligand that are donated to the metal center. Add up the electron counts for the metal and for each ligand. Typically for most compounds, the electron count should add up to 18 electrons.
How are electrons counted in the neutral atom method?
Two methods are commonly employed for electron counting: Neutral atom method: Metal is taken as in zero oxidation state for counting purpose Oxidation state method: We first arrive at the oxidation state of the metal by considering the number of anionic ligands present and overall charge of the complex
What happens when a molecule has less than 18 electrons?
This means that additional ligands cannot bind to the transition metal because there are no empty low-energy orbitals for incoming ligands to coordinate. If the molecule has less than 18 electrons, then it is called unsaturated and can bind additional ligands.