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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Purification/Extraction of Sodium Permanganate

I read this question and answer, and it seemed like a rather nice way to make sodium permanganate. Using the method with sodium hydroxide, I produced a solution. Once filtered and decanted, it was ...
3
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2answers
45 views

Why does the pH of soft drinks get lower as they go flat?

I am doing an investigation about the chemistry of soft drinks and as part of this I observed the effect of time on the pH of soft drinks fully expecting the pH to increase as the carbonic acid, a ...
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1answer
29 views

Effective nuclear charge and screening effect

Many books and website use the following quote to explain different trends. effective nuclear charge is balanced by Screening effect (for eg why size of d block elements remain constant in middle) ...
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37 views
+50

which bonding is there D block metals?

THis question is giving me headache. Metallic bond strength in D block element increases upto middle and then decreses. Why pairing decreases the strength of metallic bond. Infact what pairing has to ...
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1answer
46 views

Difference between the structure of nitrito-o and nitrito-n?

I am preparing for chemistry olympiad and I am stuck nitrito -o and nitrito-n. Can anyone explain difference between the structure of nitrito-o and nitrito-n or point a resource which is suitable for ...
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0answers
33 views

unpaired electron determines strength of metallic bonding in Transitional Metal [duplicate]

how unpaired electron determine strength of metallic bond? If paired electron of magnesium can take part in metallic bonding, why not of D block element?
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1answer
53 views

Is cobalt (II) chloride in silica gel dangerous when heated?

Today I decided to reheat 3 x 40 gram silica gel canisters with the blue/pink silica gel for the first time, and after I decided to order some more. While shopping, I noticed people say how it is a ...
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2answers
52 views

How do technicians treat spilt mercury and bromine?

As we know, mercury and bromine are in liquid state at room conditions and they are hazardous. The technicians should have ways to treat them if they are spilt. How can we safely treat spilt $\...
4
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3answers
66 views

How to distinguish between CsCl and NH4Cl by a chemical test?

$\ce{CsCl}$ and $\ce{NH4Cl}$ have similar reactions. For example, they can react with $\ce{AgNO3}$ to produce $\ce{AgCl}$ precipitate. So my question is: Can we use a chemical test to ...
4
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2answers
55 views

Electrolysis of molten nitrates, sulphates and carbonates

We know that nitrates, sulfates and carbonates doesn't or hardly oxidized by anode in the ...
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3answers
65 views

How to distinguish between Na2CO3 and NaHCO3 by a chemical test?

$\ce{Na2CO3}$ and $\ce{NaHCO3}$ have similar reactions. For example, they can react with acid to produce $\ce{CO2}$. So my question is: Can we use a chemical test to distinguish between $\ce{...
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1answer
27 views

Copper metal with silver ion

New to chemistry. In my book it states that 2AgNO3(aq) +Cu -->Cu(NO3-)2(aq) +2Ag(s). In addition to the formula it depicts an image of the reaction. It depicts an image shown here: https://imgur.com/...
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15 views

Concentration and normality [closed]

How much pyridine(C5H5N) should be added in xylene to make 500ppm nitrogen standard making a total volume of 500ml. Density of xylene @20C=0.8663.
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2answers
47 views

can I mix. trisodium phosphate, potassium hydroxide, and sodium hydroxide together? [closed]

Can I mix trisodium phosphate (tsp), potassium hydroxide, and sodium hydroxide ( or sodium hypochlorite ) and not cause a bad reaction? And will this make for a good degreaser and cleaning chemical ...
1
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1answer
28 views

Why P2O5 does not show oxidising properties while N2O5 is the strongest oxidising agent among pnictogen oxides?

Stability of oxides of higher oxidation state decreases with increasing atomic number Then why P2O5 is thermally stable while N2O5 not. Infact N2O5 is the strongest oxidising agent among pnictogen ...
3
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2answers
33 views

Why would permeability for krypton be higher than argon?

So, I've been looking over data on permeabilities and there's something that bothers me. Permeability data on the noble gases is somewhat hard to find, but the Parker O-Ring Handbook has them for a ...
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3answers
86 views

Why is O2 (Oxygen) colorless and odorless while O3 (Ozone) is a pale blue gas with a distinctively pungent smell?

Why does adding one more oxygen molecule to the bond make it smelly and have color?!
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1answer
27 views

Difference between fluorite and sodium fluoride [closed]

Is it the fluorine extracted from the mineral fluorite the one used in water fluoridation, or is it the industrial by-product of aluminum? Are there any benefits from naturally occurring fluorine?
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1answer
31 views

Wood burning and carbon dioxide or monoxide?

I am building greenhouse and i want to operate greenhouse at winter time. For heating i ll use wood. And also i am thinking to give back carbon monoxide which ll come from burning process of wood. ...
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0answers
33 views

Methanol adducts with CaCl2

Methanol forms adducts with $\ce{CaCl2}$ but I am not finding much information about the nature of these adducts & their stability. Are these solid adducts? Crystalline? Is the reaction ...
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0answers
17 views

Which metals are rendered passive by nitric acid? [duplicate]

Which metals are rendered passive by nitric acid ? Can't find a list anywhere.
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0answers
22 views

Difference between acidulated water and dilute acid

Is there any difference between acidulated water and dilute acid or do both the names refer to the same thing? According to me both contain acid and water(quantity of water>quantity of acid).
2
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0answers
31 views

What will be the coordination number in Fe(0)?

Fe(0) has its electronic configuration 3d6 4s2 in the ground state. In this case multiplicity will be either 1 or 3 during excitation. If multiplicity is 1, the vacant excited orbitals are dsp3. So, ...
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1answer
40 views

Whats is the difference between Tris and Tris-acetate?

I would like to run the following protocol to detect plasmid presence in bacteria. Would be possible to replace 'Tris- acetate' with just Tris? We don't have 'Tris- acetate' in the lab. What is the ...
3
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2answers
53 views

Is lithium is less reactive than sodium?

Lithium has most negative electrode potential still its reaction with water is less vigorous than that of sodium
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0answers
19 views

Reduction of telluric acid

I want to form telluride ions to make $\ce{CdTe}$ dots so I am planning to reduce $\ce{Te(OH)6}$ using sodium borohydride. Is telluric acid sensitive to air oxidation? I read in a paper where they ...
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2answers
53 views

Does “easily hydrated” imply highly soluble in water too?

Does "easily hydrated" imply highly soluble in water too? Small ions like $\ce{Li^+}$ and $\ce{Be^{2+}}$ are said to be easily hydrated but does it also imply they are highly soluble? I looked up ...
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2answers
163 views

How are the hybrid orbitals of sulfur hexafluoride shaped?

On the fluorine end the fluoride atoms are simply completing a $3p$ orbital. On the sulfur end one could posit a hybrid of one $3s$ orbital, two $3p$ orbitals and a three inner $2p$ orbitals. However,...
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1answer
41 views

Aqua Regia Coloring

I was working with Aqua Regia in the lab today and was impressed by how quickly the solution (HCl and HNO3) changed colors from a colorless liquid to orange to a deep red. I didn't time it, but I ...
0
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1answer
26 views

Ferric Chloride solution weight

When I notice that ferric chloride is sold as 40% solution w/v, does it mean weight / volume? Is it a matter of for example adding 40g of ferric chloride crystals to a water solution where the total ...
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0answers
33 views

Inorganic Qualitative Analysis Puzzles

I am not sure if this is the correct place to be asking this question. If it isn't, I will delete it. I wondering if anyone have any inorganic qualitative analysis puzzles like the below. It should ...
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1answer
25 views

How is Potassium Hydroxide KOH manufactured today? [closed]

How is Potassium Hydroxide KOH manufactured today? What are the byproducts of KOH? Which Soil Analysis (TPH, pH, Metals, VOC, SVOC) will detect the byproducts of KOH?
4
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1answer
58 views

Barium sulfide vs Ba2S2

I was predicting a very simple chemical equation $$\ce{Ba + S ->}$$ And I had solved it as $$\ce{Ba + S -> BaS}$$ The answer should make sense as barium has a charge of +2, and sulfide has a ...
2
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1answer
29 views

Oxidizing and reducing agent

What i know about the above question is that a compound acts as an oxidising as well as reducing agent when the oxidation of central metal is somewhere between it's maximum and minimum oxidation state ...
0
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1answer
26 views

Basic strength of compunds [duplicate]

Why is Ammonia stronger than Phosphine in terms of basic strength? I am confused as Nitrogen is more electronegative than Phosphorous.
0
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1answer
27 views

Alkali metal hydrides

I know that stability of alkali metal hydrides decreases down the group,Hence the lowest member in the group easily breaks into its cation but does this easiness of breaking into cation has any ...
0
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3answers
107 views

Reaction between phosphorus pentachloride and sulphuric acid?

I am novice in chemistry. I was reading a magazine and the above question was there in that book. Phosphorous pentachloride and sulphuric acid are both good dehydrating agents. What is the reaction ...
0
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1answer
37 views

Melting points of alkali metal halides

The correct order of melting point of alkali metal halides is: $\ce{MF}>\ce{MCl}>\ce{MBr}>\ce{MI}$ $\ce{MI}>\ce{MBr}>\ce{MCl}>\ce{MF}$ $\ce{MCl}>\ce{MF}>\ce{MBr}>...
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1answer
42 views

Empirical formula, simplifying problems

Need some help with second part.....can't get it to be balanced and therefore can't find the formula and name! Thanks in advance! What is the empirical formula of each of the following compounds? a)...
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1answer
35 views

Alkali and alkali earth metal carbonates and bicarbonates decomposition

Which of the following can not decompose on heating to give $\ce{CO_2}$? $\ce{Li_2CO_3}$ $\ce{Na_2CO_3}$ $\ce{KHCO_3}$ $\ce{BaCO_3}$ What I have read till now: Lithium carbonate ...
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0answers
49 views

Why isnt ethanol a base? [duplicate]

Why isnt ethanol a base since it contains an OH group? I realize it is an alcohol but what happens when it is suspended in water?
-1
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0answers
11 views

Acids in aqueous solution [duplicate]

Why do acids donate a proton to water? For example, HCl. I realize it ionizes to form H+ and Cl- and the hydronium ion is formed. Why scientifically does this happen? Why does the H donate its proton ...
3
votes
1answer
93 views

Why do better π-acceptor ligands cause smaller Δ(T) d-orbital splitting?

Consider a formazanate ligand. Then imagine an electron-withdrawing group added to it. I expect a small σ-donating effect, and good π-accepting properties. My supervisor tells me that an ...
1
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0answers
31 views

Why is ammonia more basic than phosphine? [duplicate]

The internet is filled with a number of reasons for this, but i don't know which to believe. So, why is $\ce{NH3}$ more basic than $\ce{PH3}$? Is it because nitrogen has more electron density due to ...
1
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1answer
53 views

Dissociation of HCl in aqueous solution

My question is regarding $\ce{HCl}$. In my book it states that: $$\ce{HCl (aq) -> H+ (aq) + Cl- (aq)}$$ I understand that when added to water the $\ce{H}$ leaves its electron to the $\ce{Cl}$ ...
0
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0answers
14 views

Why are these materials like gallium arsenide, gallium phosphide, aluminium gallium arsenide etc used in Light Emitting diodes?

Indium gallium nitride (InGaN): blue, green and ultraviolet high-brightness LEDs Aluminum gallium indium phosphide (AlGaInP): yellow, orange and red high-brightness LEDs Aluminum gallium arsenide (...
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0answers
58 views

Sulfuric acid from elemental sulfur and hydrogen peroxide

Will this reaction proceed under standard conditions? I don't really care if it is quite slow, as long as it takes less than a month to finish: $$\ce{S8(s) + 24 H2O2(aq) -> 8 H2SO4(aq) + 16 H2O(l)}...
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0answers
69 views

Molecular orbital theory configuration question

Recently while studying my high school chemistry textbook I came to know that according to molecular orbital theory, the energy of $\sigma 2p_z$ is actually greater than the energy of $\pi 2p_x$ and $\...
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0answers
45 views

How does MOT explain the hyper-valency in a compound?

I know what hypervalency is within a compound, but I am confused on how MOT explains this, in particular for the $\ce{PF_5}$ compound. Would someone please be able to explain this to me?
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1answer
60 views

Hydrogen sulfide and sodium carbonate reaction

What is formed in the reaction between hydrogen sulfide and aqueous sodium carbonate? My guesses are sodium sulfite and/or sodium hydrogen sulfite. However, the equations don't seem to balance ...