how many atoms in the structure of molecule a can donate a hydrogen bond

by Heather Schinner 9 min read

A single water molecule can participate in a maximum of four hydrogen bonds because it can accept twobonds using the lone pairs on oxygen and donate twohydrogen atoms. Cite 1 Recommendation 5th Mar, 2021 Maheswaran Sithambaresan Eastern University Sri Lanka It is not limited to four. It can have more than four.

Full Answer

How many hydrogen bond donor and acceptor atoms are there?

The elements that usually participate in hydrogen bonds are nitrogen, oxygen, and fluorine. A hydrogen bond is much weaker than a covalent bond (10-40 kJ/mol vs. hundreds of kJ/mol for a covalent bond), but when a lot of hydrogen bonds are added together, they can have a significant influence on the structure of molecules. An example of hydrogen bonding is the lattice formed …

Which atom is called the hydrogen bond acceptor?

Apr 10, 2022 · In fact, if in one mole of water there are 6,022 · 1023 molecules of water and in each molecule of water there are two hydrogen atoms, it is quite intuitive to say that in 6,022 · 1023 molecules of water there are twice as many hydrogen atoms, that is : 2 6.022 1023 = 1.204 1024 hydrogen atoms.

What elements are involved in hydrogen bonds?

CH3COOH (acetic acid) can form hydrogen bonds between its molecules. Based on the Lewis structure shown below, how many hydrogen bond donor and acceptor atoms does this molecule have? 4 H-bond donor atoms; 2 H-bond acceptor sites 3 H-bond donor atoms; 4 H-bond acceptor sites 1 H-bond donor atom; 4 H-bond acceptor sites 1 H-bond acceptor atom; 2 H-bond

How many covalent bonds can nitrogen and hydrogen atoms form?

How many hydrogen-bond donor atoms and hydrogen-bond acceptor atoms does this molecule have? N H Select one: O a. 7 H-bond donor atoms + 3 H-bond acceptor atoms. O b. 3 H-bond donor atoms + 3 H-bond acceptor atoms O c. 1 H-bond donor atoms + 2 H-bond acceptor atoms O d. 2 H-bond donor atoms + 3 H-bond acceptor atoms O e. 2 H-bond donor atoms ...

What atoms are capable of donating a hydrogen bond?

A hydrogen atom attached to a relatively electronegative atom is a hydrogen bond donor. This electronegative atom is usually fluorine, oxygen, or nitrogen.

How many atoms can be bonded in a hydrogen bond?

Explanation: Hydrogen only has 1 valence electron in an outer shell which fits 2. To bond covalently it shares that electron with another atom (which shares its own) to make 1 covalent bond, filling its outer shell.Jun 3, 2018

How many hydrogen bonds does each molecule donate?

Each water molecule can form two hydrogen bonds involving their hydrogen atoms plus two further hydrogen bonds utilizing the hydrogen atoms attached to neighboring water molecules.

How do you know how many hydrogen bonds a molecule can form?

So far, we've drawn this water molecule with one hydrogen bond. Another hydrogen bond can be formed using the other lone pair on the oxygen atom. Each hydrogen atom in the molecule can also form a hydrogen bond. So each water molecule can form a maximum of four hydrogen bonds.Jun 6, 2021

Can H2 form hydrogen bonds?

Answer and Explanation: H2 is not a hydrogen bond but is a molecule in which hydrogen is bonded to itself. H2 forms when two hydrogen atoms, H, are bonded together by a...

How many hydrogen bonds are in water molecules?

Polarity of water molecules A water molecule consists of two hydrogen atoms bonded to an oxygen atom, and its overall structure is bent.

How many maximum number of intermolecular hydrogen bonds a molecule of water can form?

four hydrogen bondsThe oxygen has two lone pairs which can be donated to form two other hydrogen bonds, so a water molecule can form four hydrogen bonds.

What is the maximum number of hydrogen bonds that one water molecule can have with neighboring water molecules?

4 hydrogen bondsEach water molecule can form a maximum of 4 hydrogen bonds with neighbouring molecule . The hydrogens of the water molecule can form hydrogen bonds with other oxygens in ice, and the two lone pair of electrons on oxygen of water molecule can attract other hydrogen in ice.

How many hydrogen bonds are in HF?

two hydrogen bondsIn HF each molecule has one hydrogen atom which can form a hydrogen bond, and there are three lone pairs of electrons on the fluorine atom. The total number of hydrogen bonds is limited by the number of hydrogen atoms and on average each HF molecule will be involved in two hydrogen bonds.

How are hydrogen bonds formed?

A hydrogen bond is formed when the positive end of one molecule is attracted to the negative end of another. The concept is similar to magnetic attraction where opposite poles attract. Hydrogen has one proton and one electron. This makes hydrogen an electrically positive atom because it has a deficiency of electrons.Apr 25, 2017

How many hydrogen bonds can a water molecule form quizlet?

Each water molecule can form 4 hydrogen bonds.

What is hydrogen bonding?

A hydrogen attached to carbon can also participate in hydrogen bonding when the carbon atom is bound to electronegative atoms, as is the case in chloroform (CHCl 3 ). Interactive: Hydrogen BondingExplore hydrogen bonds forming between polar molecules, such as water.

Why do hydrogen bonds form?

Why Hydrogen Bonds Form. The reason hydrogen bonding occurs is because the electron is not shared evenly between a hydrogen atom and a negatively charged atom. The result is that the hydrogen atom carries a weak positive charge, so it remains attracted to atoms that still carry a negative charge.

How many hydrogen bonds does ammonia have?

Actually, an ammonia molecule can form two hydrogen bonds, not one. An important difference in terms of hydrogen bonding between ammonia, NH3, and water, H2O, lies in the ratio between how many partial positive hydrogen atoms and how many lone pairs of electrons each have.

Which is better, ethanol or water?

The strong hydrogen bond between ethanol and water makes the largest contribution to the relative energies of the structures. Since ethanol is a better hydrogen bond acceptor than donor, the water donor structures are lower in energy than the water acceptor structures.

What happens when hydrogen bonds break?

When the hydrogen bonds between water molecules are broken, they can be replaced by equivalent bonds between water and ammonia molecules. Some of the ammonia also reacts with the water to produce ammonium ions and hydroxide ions.

Is CH3CH2OH soluble in water?

The alcohol, CH3CH2OH, is more soluble in water since it can form a hydrogen bond to water and accept a hydrogen bond from water . The ether, CH3OCH3, can only accept a hydrogen bond from water.