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A molecule or ion that donates the hydrogen in a hydrogen bond is a hydrogen bond donor A molecule or ion that binds to this hydrogen is a hydrogen bond acceptor. S...

Question

A molecule or ion that donates the hydrogen in a hydrogen bond is a hydrogen bond donor A molecule or ion that binds to this hydrogen is a hydrogen bond acceptor. Specify the hydrogen bonding behavior of the 4 species below by selecting: donor for species that act as donors only acceptor for species that act as acceptors only both for species that act as both donors and acceptors neither for species that act neither as donors nor as acceptors_:O:HaC"CHaHydrogen bonding behavior0AHydrogen bo

A molecule or ion that donates the hydrogen in a hydrogen bond is a hydrogen bond donor A molecule or ion that binds to this hydrogen is a hydrogen bond acceptor. Specify the hydrogen bonding behavior of the 4 species below by selecting: donor for species that act as donors only acceptor for species that act as acceptors only both for species that act as both donors and acceptors neither for species that act neither as donors nor as acceptors_ :O: HaC "CHa Hydrogen bonding behavior 0 A Hydrogen bonding behavior acceptor Hydrogen bonding behavior both HaC_ CH3 Hydrogen bonding behavior both NH2



Answers

Hydrogen bonds differ from covalent bonds in that a. covalent bonds can form between any type of atom, and hydrogen bonds form only between H and O. b. covalent bonds involve sharing of electrons, and hydrogen bonds involve the complete transfer of electrons. c. covalent bonds result from equal sharing of electrons, but hydrogen bonds involve unequal sharing of electrons. d. covalent bonds involve sharing of electrons between atoms, but hydrogen bonds are the result of weak attractions between a hydrogen atom of a polar molecule and an electronegative atom of another polar molecule. e. covalent bonds are weak bonds that break easily, but hydrogen bonds are strong links between atoms that are not easily broken.

What is a hydrogen bond? Is it a strong attraction between hydrogen and another atom, bonds between hyphen s and bounce one atom and made partially negative. See bonds between hyphen as um already bounced one atom and made partially positive. Is it weaker than event of Salesforce or E exemplified by two patrons covertly bound to oxygen? Okay. First of all, hydrogen bonds is between hydrogen and another atom. It could be oxygen, nitrogen sulfur. But it's not a strong attraction hydrogen bonds a week but they're not that weak. They are not weak of inventive US forces. So hygiene bond is stronger than Salesforce but it's still very weak compared to a co valent bond for example, or an ionic bond. Okay, also it's not going to be this is not the two hydrogen. It's each hydrogen forms its own height in bonds of they don't find each other. They don't interact with each other that each farming's for hygiene wants. It's just going to be people see what causes. Okay, let's let's draw water. There we go. So we have our two ones and we have unequal sharing because water is a polar molecule, so of hydrogen is partially negative. Or are they partially positive? All the hydrants are partially positive. The oxygen is partially negative in the sharing of electrons. The oxygen gets uh an increased share. So Beyonce here is going to be C not the

For hydrogen bond, you need two different things. You need one Adam, which is very electro negative and can pull electrons away. And you needed to be attached to ah, hydrogen. So this electro negative, Adam, we're poor electron density away from the hydrogen and make this partially negative. And this partially positive Because ammonia has both of these things, it could be both the donor and the receiver of a hydrogen bond. So ammonia looks like this. We have a nitrogen atom attached to three hydrogen atoms and one lone pair of electrons. Because nitrogen is ah, electro negative, Adam, just like oxygen or flooring. That means that these Hodgins will be partially positive and this over here will be partially negative. So ammonia can hydrogen bond to another ammonia a molecule like this where the hydrogen is attracted to this lone pair. Or it could be bonded like this, where the hydrogen of a different ammonia molecule is attached to this ammonia. This little pair. So because of this, if you have a solution of ammonia, all of the different ammonia molecules congee bonded to each other through 100 month because they convey both except hydrogen ins and lone pairs from other molecules.

In this question, it is stated. A hydrogen ion can born to an ammonia molecule NH three and form NH four plus iron ammonia meyer. We have to draw the electron dot formula for ammonium ion and level a coordinate of violent. So when any street is added with the hydrogen ion, NH four plus ammonium iron is formed. Now this ammonia mile nitrogen is present in Group five A with five valence electrons and four hydrogen atoms atoms four times one, One valence electron for it and will subtract one for this positive charge. So all together we have 549 -18 valence electrons. Now in the ammonium iron nitrogen is the central atom And four hydrogen is all around that nitrogen atom. Now we'll put these eight valence electrons Around the central Adam, Nitrogen one, In this way, hydrogen each hydrogen it to God is required two electrons and the nitrogen atom as Egypt is update. It has eight electrons. So the electron dot formula for ammonia mayan will be and of course, here we have to pull the bracket and put the positive sign here. So the electron dot formula for ammonium iron will be with the positive charge on top. Now I have to show that coordinate covalin one here, eight and eight, and this one is the coordinate co violent want because this nitrogen atom has one pair of long pair of electrons in the molecule of ammonia. That one was donated by that lone pair was donated by nitrogen atom and hydrogen and nitrogen both shared that pair of electrons. So here is that coordinate co valent bond.

As you can see here, one hydrogen atom bones with the oxygen of the other arm oxalic acid group to form the structure as shown here with two hydrogen bonds.


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