All Questions
Tagged with covalent-compounds molecular-structure
19 questions
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Does I2 form coordinate covalent bond with PI3 in PI3.I2 (PI5)
As PI5 is uncertainly stated as the combination of PI3 and I2. There are suggestions that phosphorus donates its 3s electron pair to molecular orbital of I2 or I2 donates its electron to 3d orbital of ...
- 651
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How can atoms get very close together even without direct covalent bonds between them? [closed]
Generally speaking, because of the Pauli exclusion principle, it’s difficult for the electron clouds of two atoms to overlap unless they are covalently bound together. The degree of overlap can be ...
- 589
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What exactly is giant covalent molecule?
What exactly is the definition of "giant covalent molecule"? All sources online don't give a definition but instead, allude to properties of examples of giant covalent molecules (such as ...
- 169
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How are compounds within a complicated mixture detected?
I was reading an article about an independent pharmaceutical watchdog group called Valisure which recently released a report stating that they found Benzene, a toxic substance, in many bottles of ...
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If Electronegativity of Cl is greater than H2 then why is the bond angle of Cl2O greater than H2O? [duplicate]
If Electronegativity of Cl is greater than H2 then why is the bond angle of Cl2O greater than H2O?
Cl2 has more EN than H2 and size of Cl2 is more than H2 but if we go according to EN then more angle ...
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How many covalent bonds are there in carbon suboxide?
Calculate the number of covalent bonds in $\ce{C3O2}$.
Structure:
I am confused. I can count covalent bonds as 8 by counting single-single bonds, but also I can say that there are 4 "double ...
- 107
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1
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T shape molecule with three hydrogens
Is there any sort of AX3E2 molecule that consists of hydrogen atoms bonded to the main atom who is left over with two lone pairs of electrons? (Similar to ClF3 just with hydrogen instead of fluorine?)
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Why is the chemical formula for vinegar CH3COOH what it is? [duplicate]
I am quite new to chemistry, but I would like to think that I have mastered the basics. This would include naming and writing out chemical formulas. However, once I had seen the formula for vinegar ($\...
- 1,582
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Steric hindrance of an unbonded electron pair
This question is half inspired by this question, and half inspired by the structure of molecules like hydrazine and hydrogen peroxide.
When I was looking at the aforementioned molecules, I started ...
- 24.1k
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Does SiCl2 exist and its possible structure
It's known that the elements in IVA all have valence +2 and +4. I also know there exists $\ce{GeCl2}$ and $\ce{SnCl2}$. So my question is does $\ce{SiCl2}$, or even $\ce{CCl2}$ exist? If yes, what ...
- 211
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What is the geometrical structure of Pb3O4?
I'm confused by the structure of Pb3O4. There are some sites claiming that it is a six membered ring of alternating Lead and Oxygen atoms with another Oxygen atom in the center bonding with 2 out of ...
- 327
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Structures for NO+ (Nitrosonium)
There are two possible structures for Nitrosonium :
In the first structure, there is a +1 Formal charge on Oxygen, whereas,
In the second structure, there is a +1 Formal charge on Nitrogen.
Q. ...
- 707
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Geometry of AsF5 molecule
Which of the following is the best description of the arrangement of fluorine atoms around the arsenic atom in a molecule of $\ce{AsF5}$?
(a) trigonal bipyramid
(b) octahedron
(c) tetrahedron
(d) ...
- 1,143
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Why the bond angle of PH3 is lesser that that of PF3?
We can explain why the bond angle of $\ce{NF3}$ (102°29') is lesser than $\ce{NH3}$ (107°48') by the VSEPR theory, since lone pair lone pair repulsion is greater than lone pair bond pair repulsion. ...
- 880
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Bond angles in BrF5
If in an octahedral structure there is one lone pair placed on any two of the axial position then will the lone pair distort all the 90 degree angles due to repulsion from lone pair or the angles will ...
- 1,814
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Build the geometric structure of SnBr2
What is Sn valence in this case? Because it depends on it if it will be linear or tetragonal.I'm talking about a molecule.
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How to know it when I see a covalent network?
This is a well-known (better said: well-discussed) question in the internet. When you look for answers for popular questions, you usually see them with a variable degree of reliability and complexity. ...
- 10.8k
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What is the oxidation state of nitrogen in nitrate ion and what is its structure? [duplicate]
What's the oxidation state of nitrogen in $\ce{NO3-}$ ion. Simple calculation depicts that it's $+5$. But second period elements never show variable oxidation states. And it's structure is so ...
- 37
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Determining covalent bond strengths without hybridisation
Assuming pure $\ce{2s}$ and $\ce{2p}$ orbitals of carbon are used in forming $\ce{CH4}$ molecule, which of the following statements is false? (single choice question)
Three $\ce{C-H}$ bonds ...
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