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Inorganic compounds generally do not have C-H bonds, while organic compounds do have such bonds. The distinction between inorganic and organic chemistry, however, is far from absolute.

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1answer
28 views

Nickel-63 and surge protector / voltage regulator

I've read that nickel-63 is used in surge protectors and voltage regulators. What is it about nickel-63 that makes it particularly suitable for those applications?
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2answers
67 views

What is reduced and oxidized when potassium bromate reacts to oxygen and postassium bromide?

I'm trying to help lead my daughter to a solution and my high school chemistry is almost 30 years ago. For the following reaction, indicate the species being oxidezed and reduced and show the ...
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0answers
27 views

Why does Cu not react with dilute H2SO4? [duplicate]

$\ce{Cu + (dil) H2SO4 -> No Reaction}$ but $\ce{Cu + (conc) H2SO4 -> CuSO4 + SO2 + H2O}$ What is the difference between the dilute and concentrated acid that one reacts but the other doesn't?...
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0answers
15 views

Chemical reaction of potassium dichromate in basic and neutral medium?

I know how dichromate [$\ce{(Cr_2O_7)^2-}$] reacts in acidic medium but I'm wondering how will it react in basic and neutral medium. When I searched for it, it was told that it doesn't react in basic ...
2
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1answer
36 views

Can I expect 18O-hydroxide when adding slight amount of NaOH-16O to 18O-water?

In adding $\ce{^{16}O}$-sodium hydroxide to $\ce{^{18}O}$-water to get a $0.25\pu M$ solution, is the hydroxide in form of $\ce{^{16}O}$-hydroxide or $\ce{^{18}O}$-hydroxide? is there an oxygen ...
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0answers
21 views

Allene doest have nodal plane as molecular plane [on hold]

Why in allene , nodal plane doesn't lie in molecular plane ?As we know that allene is a non planar molecule
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0answers
19 views

What should be hybridization in c2 molecule? [duplicate]

According to VBT it has quadranil bonds and so sp³ But MOT saying different.. according to MOT two bonds are there and both are π bond..so according to MOT no hybridization should there only ...
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0answers
18 views

Why ordinary hydrogen can reduce acidified kmno4??but in presence of zinc it reduces [closed]

ordinary hydrogen (h2) can't reduce acidified kmno4.. But in presence of zinc it can... What is working of zink here??? It should be prevent of h2 layer on it's surfaces??
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0answers
12 views

Will household bleach (NaClO aq. solution) react with gypsum CaSO4(aq) or portland cement (calcium silicates CaO·SiO2)?

I'm wondering whether dunking a porous cement or gypsum (plaster) object in bleach for cleaning would unduly affect the primary components of either. For cement items, to make it tractable I'm only ...
2
votes
0answers
25 views

Why is bis(1,2,2,6,6-Pentamethyl-4-Piperidinyl) Sebacate used as a “bottom coat” for a superhydrophobic coating?

According to this MSDS sheet, a compound named bis(1,2,2,6,6-Pentamethyl-4-Piperidinyl) Sebacate is used in the "bottom coat" layer before a "top coat" of superhydrophobic NeverWet coating is applied. ...
0
votes
0answers
21 views

Liquid smoke when applied [closed]

I recently watched this video where a street healer applies some form of liquid on the customers back he smokes like being cooked. However the guy reports no burning sensation. How can this be ...
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votes
0answers
14 views

If the resonance energy is '0' in Pauling's scale of electronegativity, [closed]

If the resonance energy is '0' in Pauling's scale of electronegativity,then what can be said about the electronegativites of the 2 species?enter link description here
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0answers
33 views

Fe(acac)3 preparation problem [closed]

During $\ce{Fe(AcAc)3}$ preparation when we try to precipitate the $\ce{Fe(OH)3}$ and then undergo suction by washing with water to remove excess chloride, $\ce{Fe(OH)3}$ gets dissolved in water! Why?
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1answer
44 views

Molecular Geometry [duplicate]

Why is it that for a molecule with trigonal bipyramidal geometry, the lone pair is located in the equatorial region whereas for a molecular with an octahedral geometry, the lone pair is located in the ...
-2
votes
1answer
55 views

Why chlorine doesn't show pπ-dπ bonding but fluorine shows it? [closed]

I can't understand what is backbonding and how it affects bond angle ?? According to electronegativity concept, bond angle of $\ce{PF3}$ should be less than that of $\ce{PCl3}$ but it is not. Bond ...
1
vote
1answer
20 views

Heat generation in exothermic reactions [duplicate]

Im thinking specifically of N2 + 3 H2 ⇌ 2 NH3. Its an exothermic reaction, therefore heat is generated. Im trying to understand how Chateliers principle interacts with this reaction. I understand that ...
-1
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0answers
20 views

Why is aluminium has an unexpectedly low melting point?

Al has a similar melting point with Mg, but Al has 1 more electrons than Mg, shouldn't the metallic bond be stronger?
2
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0answers
35 views

Molecular orbital diagram for terminal metal-oxo complex with dative bonds

I am interested in terminal metal-oxo complexes and their electronic structure, specifically those with coordination numbers of 6, including the oxo ligand. I know that Fe(IV)-oxo complexes tend to ...
1
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0answers
33 views

Why is antimony pentafluoride a stronger Lewis acid than phosphorus pentafluoride or arsenic pentafluoride?

How can these relative reactivities as a Lewis acids be rationalized: $$\ce{SbF5 > AsF5 > PF5}$$ One simple argument could be the size of the $\ce{Sb}$-center: Because it is bigger than for ...
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0answers
35 views

Osmium is the densest element due to relativistic effects. Why not another metal affected by relativistic effects (Such as gold)? [duplicate]

All in the title. Thought of with the question after viewing links like: Why is gold golden? Why does mercury have low melting and boiling points?
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0answers
15 views

Reference website or book [duplicate]

Guys I need a website or book reference that can help me to master inorganic chemistry I have a book named OP Tandon but it doesn't make me to understand inorganic chemistry so well.the book or ...
4
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0answers
55 views

Comparing Acidic Strength of H3PO4 and H3AsO4

The $pKa$ values for H3AsO4 and H3PO4 are $2.30$ and $2.12$ which indicate that H3PO4 is a stronger acid compared to H3AsO4. I looked up their electronegativity values to find that they are almost the ...
1
vote
1answer
837 views

Is there a compound that contains water as a subcomponent? [closed]

Is there a molecule that contains water chemically bonded to another molecule/element? Could someone provide an example or two?
1
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0answers
21 views

Order of lewis acidity for BBr3, BCl3, BMe3, BH3, BPh3?

In case of $\ce{BCl_3}$ vs $\ce{BH3}$, which one is the controlling factor? 1) Is it p-pi p-pi interaction in $\ce{BCl_3}$ that makes it weaker than $\ce{BH3}$? 2) Or is it the -I effect of $\ce{Cl}...
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0answers
45 views

Dipole moment comparison

Compare the dipole moment of the following: o-nitrophenol o-dichlorobenzene o-xylene According to me, o-dichlorobenzene should have the highest dipole moment since the angle will be ...
-1
votes
1answer
43 views

Bond dissociation energy order for C-C,N-N,O-O & F-F single bond

I couldn't understand the trend of bond dissociation energy of various single bonds. Why C-C>N-N>F-F>O-O. I had mugged up the trend the now, and according to me BDE should continuously increasing ...
0
votes
1answer
35 views

How can I prevent the effervescence of a solvent during evaporation?

How can I prevent the effervescence of a solvent like petroleum ether when I evaporate it on a water path?
0
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0answers
33 views

Is there any difference between negative electron gain enthalpy and electron affinity?

According to electron affinity,it is the amount of energy "released" during the addition of an electron in the valence shell of an isolated gaseous atom, and its sign convention is opposite to that of ...
0
votes
1answer
111 views

Do milk and orange juice contain H2O molecules?

I'm asking as there is this woman who claims she's severely allergic to (you guessed it) water (H2O molecules). She says just a drop of water in her mouth sends her into anaphylactic shock and only ...
7
votes
1answer
87 views

Non-conventional polymers

IUPAC defines a monomer as, A molecule which can undergo polymerisation thereby contributing constitutional units to the essential structure of a macromolecule. Bearing this in mind, I thought ...
7
votes
1answer
489 views

How long does it take for nitric oxide to turn into dinitrogen and dioxygen?

I'm new to chemistry and am studying nitric oxide as a combustion accelerant. Nitric oxide is said to be a free radical. People say that nitric oxide, by itself, is pretty stable. But I saw that $$\...
1
vote
4answers
111 views

A simple equilibrium problem

Take the following simple equilibrium: $$\ce{CH3COOH + H2O <=> H3O+ + CH3COO-}$$ Ethanoic acid will act as a typical Brønsted-Lowry acid and donate a proton to water, forming a conjugate acid-...
3
votes
0answers
30 views

Mechanism of sodium hypochlorite and hydrochloric acid

The overall reaction for the reaction between NaClO and HCl is: $\ce{NaClO + 2HCl -> NaCl + Cl2 + H2O}$ To try and understand how this reaction occurs, I've thought of a simple mechanism for it. ...
1
vote
2answers
58 views

Specifically how dangerous is a 10g chemical sample of pure arsenic and how do you properly dispose of it?

I'm not a chemist. I'm an electrical engineering student and I recently purchased an element collection. The collection came with a 10g arsenic sample. I assumed it wasn't much of a thing because ...
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votes
0answers
46 views

Why do we don't observe certain molecules [duplicate]

We observe HCl in nature, why don't we observe ClH3? Cl can make multiple bonds and by Drago's rule, the lone pair will be in pure s character. So why it doesn't form. Another one is PH5 or SH6 or IH7 ...
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0answers
20 views

Comparison of Ionic Character

I read somewhere that in d block compounds, higher the oxidation state, higher is the tendency to form covalent bonds. Which also implies that the element will form the most ionic compounds in it's ...
7
votes
0answers
44 views

Why does lithium aluminium hydride appear grey?

Commercial lithium aluminium hydride is a grey compound, which loses a lot of reactivity the darker it is. Luckily you can clean it up to get the reactive white compound and the separated grey ...
0
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0answers
24 views

Why Chlorine has the highest electron affinity? [duplicate]

Since electron affinity is inversely proportional to the size of the atom, then why Chlorine has the highest electron affinity in the periodic table?
1
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0answers
26 views

Effect of Electronegativity on Bond Angles in NH3 and NF3 [duplicate]

I am reading a book: Concise Inorganic Chemistry by J.D.Lee (Fifth Edition) In the chapter-The Covalent Bond, the author says: $\ce{NF3}$ and $\ce{NH3}$ both have structures based on a tetrahedron ...
1
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1answer
59 views

Separating specific components of a PUREX raffinate

The PUREX extraction in nuclear fuel reprocessing leaves behind a nitric acid raffinate full of (mainly) 'fission products', which are a diverse set of elements produced by fission in a nuclear ...
0
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0answers
13 views

EQPt pH of a Monoprotic Acid-Base Titration: Product of Molarites Over Their Sum

Context The Henderson-Hasselbalch equation is as follows. $$pH=-\log\big(K_a\big)+\log\bigg(\frac{[A^-]}{[HA]}\bigg)$$ One may follow its derivation in order to understand how it came to be, yet ...
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votes
1answer
20 views

Why potassium chromate can be used as indicator in Mohr method?

Both silver chloride and silver chromate are insoluble, so why is that silver chromate is precipitated before silver chromate? Why wouldn't both red silver chromate and white silver chloride form at ...
-1
votes
1answer
22 views

Difference in bonding between water and hydroxides [duplicate]

As we know, water is a covalently bonded molecule. However, the hydroxides - such as sodium hydroxide - are ionic compounds. Both of these are similar, although the difference between both is a sodium ...
2
votes
0answers
45 views

After boiling water in an electric kettle, should I empty it?

(I'm reposting my question from Physics SE where it got closed for being off-topic, but chat tells me that it might be on topic here.) In the office I'm working in, there's an electric kettle for ...
2
votes
1answer
29 views

What is the correct reaction of sulfur dioxide with chlorine?

I'm confused in reaction of $\ce{SO2}$ with $\ce{Cl2}$. Some source states the given reaction (1), while others state the reaction (2): $$\begin{align} \ce{SO2 + Cl2 &-> SOCl2 + Cl2O \tag{1}}\\...
1
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0answers
24 views

Reaction between Ag2O and PCC

What type of reaction might take place or what product might be produced when silver(I) oxide stays in close proximity with pyridinium chlorochromate at 70 degrees C for a very long period of time, ...
2
votes
1answer
30 views

Is there a piece of software that can help me see the (hkl) planes in a crystal lattice?

I am doing research with calcium carbonate structures. I need a way in which I can familiarize myself with the lattice structure of calcium carbonate polymorphs, especially calcite. I really struggle ...
1
vote
1answer
47 views

Why doesn't graphite dissolve in organic solvent?

The graphene layers are held by weak van der Waals' force, this should be comparable to the force holding solvent particles. Why doesn't graphite dissolve in organic solvent and separate into graphene ...
-2
votes
1answer
32 views

Anyone know if this kind of Polyethylene is safe to use? [closed]

I'm planning to make a weighted blanket and I've looked around the internet and most people use poly pellets or glass beads for the weight. Glass beads is kinda hard to find in where I live, so I ...
0
votes
2answers
69 views

Obtaining calcium iodide from calcium and iodine

According to: https://www.webelements.com/calcium/chemistry.html Calcium reacts with iodine upon heating as follows: $\text{Ca}_{\,(s)} + \text{I}_{2\,(g)} \to \text{CaI}_{2\,(s)}$ I am ...