Carbon tetrachloride is a colorless liquid with a sweet smell and its chemical formula is CCl4. That is highly dangerous because that our central nervous mechanism if contacted v a high concentration including vapors.


In this article, we will discuss Carbon tetrachloride (CCl4) lewis period structure, molecular geometry, polar or non-polar, shortcut angle, hybridization, etc.

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Important properties of Carbon tetrachloride

It is non-flammable and doesn’t dissolve in water quickly.It has a sweet smell and also odor choose Chloroform.It is non-combustible.CCl4 has actually a boiling point of 76.72 °C and also a melting allude of −22.92 °C.It has a Tetragonal coordination geometry.

Uses the Carbon tetrachloride

It is supplied as a solvent for halogenation and also as an agricultural fumigant.It is used as a fire extinguisher.For the detection the neutrinos.In the production of various chemicals.It is provided in rubber stamp collecting and also to expose watermarks top top postage stamps.
Name the MoleculeCarbon tetrachloride
Chemical formulaCCl4
Molecular geometry that CCl4Tetrahedral
Electron geometry that CCl4Tetrahedral
HybridizationSp³
Bond angle109.5º
Total Valence electron the CCl432
The formal fee of CCl40

Page Contents present
1 exactly how to draw Carbon tetrachloride (CCl4) lewis structure?
2 measures for drawing the stable lewis dot framework of CCl4
3 What room the molecule geometry that CCl4 and also its link angle?
4 monitor three measures to discover CCl4 molecular geometry
5 Cabon tetrachloride polarity: Is CCl4 polar or nonpolar?
6 Three components that show the polarity the CCl4
7 What is the formal fee in the CCl4 lewis period structure and how to calculation it?
8 FAQ
9 review

How to attract Carbon tetrachloride (CCl4) lewis structure?


CCl4 lewis’s structure is made up of one carbon atom that is situated at the middle position and also four chlorine atom that space at the surrounding position. The total lone pair present in the CCl4 lewis dot structure is 12.

Lone bag of electrons perform not involve in chemical bonds and it is stood for as a dot in the lewis diagram.


To draw the stable Carbon tetrachloride lewis structure, we need to represent the valence electron of each atom in ~ a molecule.

Steps for illustration the stable lewis dot framework of CCl4

1. Count complete valence electron in CCl4

In the very first step the every lewis diagram, we require to know how plenty of valence electron are current in a molecule. For finding the valence electron in CCl4, we have to know the regular group number of Carbon and also chlorine.

The periodic group of carbon is 14 and also for chlorine, that is 17. For this reason carbon has actually 4 valence electrons existing in its outermost shell and also chlorine has 7 valence electrons present in that is outermost shell.

Valence electron the carbon = 4 <∴Periodic team of carbon = 14>

Valence electron of chlorine = 7 <∴Periodic team of chlorine = 17>

total valence electron obtainable for illustration the lewis structure of CCl4 = 4 + 7*4 = 32 electrons.

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2. Discover the least electronegative atom and also placed it in ~ center

In this step, us will discover the main atom to location in the lewis chart by identify the least electronegative atom in in between Carbon or Chlorine.

As electronegativity increase from left to best in the routine table. Therefore carbon is a less electronegative atom 보다 chlorine. Therefore carbon is placed at the center and chlorine spaced evenly around it.


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3. Attach carbon and also chlorine with a solitary bond

Now we are going come start drawing the CCl4 lewis structure by connecting chlorine come carbon v the help of a single bond.

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Now look at the over structure and also find how many valence electrons we supplied till now. Valence electron means electrons that room shareable or transferable.

Hence, 4 single bonds are used in the over structure to affix chlorine with carbon and also 1 solitary bond includes 2 electrons.

Therefore, 4 solitary bonds average 8 electron are provided in the above structure from a full of 32 valence electrons.

∴ (32 – 8) = 24 valence electrons


So, we are left with 24 valence electrons more.

4. Placed remaining valence electrons starting from external atom first

After the 3rd step, we have actually a complete of 24 valence electrons left and we must put this valence electrons to the outer atom(chlorine) an initial for completing its octet.

Chlorine demands 8 electron in the valence covering to complete its octet. So, put these staying valence electrons approximately each chlorine atom.

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Look in ~ the over structure, we put 6 valence electrons around each chlorine atom to finish their octets since chlorine already shares 2 electrons v the help of a single bond so, that only needs 6 an ext electrons to complete their octet.

5. Complete central atom octet and also make covalent bond if necessary

Carbon is the central atom and also it demands 8 electron in the valence shell to complete its octet. But Carbon currently shares 8 electrons through the aid of 4 single bonds linked with a chlorine atom.

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Lewis dot framework for CCl4

As you view in the over lewis dot structure of CCl4, each atom(chlorine and also carbon) completes their octet comfortably, and no have to make any covalent bond because we got our secure Carbon tetrachloride lewis structure.


The molecule geometry that CCl4 is Tetrahedral and also its electron geometry is also tetrahedral v a bond edge of 109.5º. Together carbon with 4 bonded pairs and also Sp³ hybridization in a main position and chlorine spread out evenly roughly it every sides.

There are 4 regions that electron density roughly the carbon central atom and “The VSEPR theory states that the electron regions roughly an atom spread out to do each an ar is as much from the others as possible.”

So, this electron bag in CCl4 tend to go far from each other and also stabilized whereby the repulsion remains minimum between them.

These electron pairs allude towards the edge of the tetrahedron v respect come the minimization the electron pair-electron pair repulsion.

Hence, the last molecular geometry of CCl4 shows up like a continual tetrahedron v a bond angle ∠Cl−C−Cl=109.5°.

In many of the cases, central atom with four an ar of density take on a tetrahedral structure due to the fact that repulsion is minimum in electron pairs at this position.

molecular geometry is the three-dimensional arrangement of atom in a molecule.

Let’s see how to uncover CCl4 molecule geometry and also its shortcut angle.

Follow three procedures to uncover CCl4 molecule geometry

1. Uncover the variety of lone pairs current on the central atom the the CCl4 lewis structure

As per the CCl4 lewis structure, carbon is the central atom that has no lone pair current on it because carbon completes that octet through the help of 4 solitary bonds.


Or you can determine the lone pair in CCl4 by using the simple formula.

L.P = (V.E. – N.A.)/2

where L.P. = Lone pair ~ above the main atom

⇒ V.E. = valence electron of that central atom

⇒ N.A. = variety of atoms attached come that main atom

So, the valence electron of Carbon is 4, and the variety of the enclosed atom to Carbon is likewise 4.

Put these values in the given formula-

∴ (4 – 4)/2


= 0 is the lone pair current on the main atom(carbon).

2. Uncover hybridization variety of CCl4

For finding the hybridization number of CCl4, use the given below formula.

H = N.A. + L.P.

where H = hybridization number

N.A. = variety of atoms attached to the central atom

L.P. = lone bag on that main atom

According come the CCl4 lewis structure, Carbon is the main atom, and also the number of the attached atom to carbon is 4 through the zero lone pair ~ above It.

∴ H = 4 + 0

= 4 is the hybridization number of CCl4


Hence Sp³ is the hybridization that CCl4.

3. Usage VSEPR concept or AXN an approach to determine CCl4 molecular shape/geometry

According to the VSEPR (Valence shell electrons repulsion) theory, if any molecule has 0 lone pair and also Sp³ hybridization then the molecular and also electron geometry of the molecule is tetrahedral.

Hence molecule geometry the CCl4 is tetrahedral.

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CCl4 molecule geometry or shape

Another method we have is AXN for determining the molecular geometry that CCl4. 

Let’s see just how to use this method.

A to represent the main atom.X to represent the bonded pairs of electrons to the central atom.N to represent the lone bag of electrons on the central atom

As every the CCl4 lewis dot structure, carbon is the main atom that has actually 4 bonded bag of electrons and 0 lone pairs on it.

Hence formula the CCl4 becomes AX4.

According come the VSEPR chart, if any type of molecule represents the AX4 generic formula climate the molecule and electron geometry of that molecule is tetrahedral.


Bonded atomsLone pairGeneric formulaHybridizationMolecular geometryElectron geometry
10AXSLinearLinear
20AX2SpLinearLinear
11AXNSpLinearLinear
30AX3Sp²Trigonal planarTrigonal planar
21AX2NSp²BentTrigonal planar
12AXN2Sp²LinearTrigonal planar
40AX4Sp³TetrahedralTetrahedral
31AX3NSp³Trigonal pyramidTetrahedral
22AX2N2Sp³BentTetrahedral
13AXN3Sp³LinearTetrahedral
32AX3N2Sp³dT-shapedTrigonal bipyramidal

The bond angle of CCl4 is 109.5º because electrons approximately carbon will certainly repel each other giving molecular geometry of CCl4 tetrahedral. Therefore its bond angle is 109.5º approx.

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Is CCl4 polar or nonpolar? CCl4 is a non-polar molecule as result of its symmetry structure yet the 4 bonds the CCl4 room polar due to the fact that of the electronegativity difference between carbon and also chlorine.

Let’s understand whether CCl4 is polar or non-polar in detail.

Three components that show the polarity the CCl4

1. Electronegativity:

Electronegativity that atoms mirrors its propensity to electrons to itself. Higher the difference of electronegativity in between atoms higher is the polarity in between those atoms. The electronegativity of carbon is 2.5 and for chlorine, the is 3.0. Hence it results in the polar covalent bond.

But the bond polarity between all carbon and also chlorine(C-Cl) is canceled as result of the CCl4 symmetric tetrahedral shape.

Therefore CCl4 molecule i do not care non-polar in nature because symmetry cancels out the individual polar vectors. 

2. Dipole moment

Dipole minute ensures the stamin of polarity in between carbon and a chlorine atom. The net dipole moment of CCl4 is zero due to the fact that opposite bond moments cancel out each other.

As chlorine is an ext electronegative 보다 carbon. Therefore, chlorine attracts electrons towards itself. Hence the dipole is generated between the Carbon and Chlorine atom.

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As you view in the above diagram, a dipole is generated between carbon and chlorine atoms. And also the direction of every dipoles is the same from carbon come chlorine and at an same distance.


As a result, same charges are dispersed in all directions. 

So, castle cancel each other dipole moment making CCl4 non-polar in nature. 

3. Geometrical or molecular shape:

As we recognize molecular geometry of CCl4 is tetrahedral and also all four bonds(C-Cl) room symmetrical with equal charge distribution making it easier to cancel the end the dipole moment.

Also, over there is no lone pair existing on the central atom in the CCl4 lewis structure as a an outcome no repulsion create along with the bond.

Therefore, the symmetrical nature of CCl4 ensures that all dipole moments are canceled out making CCl4 non-polar in nature.

Hence all these components show that why Carbon tetrachloride CCl4 is nonpolar.

What is the formal charge in the CCl4 lewis period structure and how to calculation it?

The formal charge in CCl4 mirrors that i beg your pardon atom(Carbon or chlorine) has actually a more positive or an adverse charge current on it.

To calculation the formal charge in Carbon tetrachloride lewis structure, use the offered formula-

Formal charge = (Valence electron – unbonded electron – 1/2 external inspection electrons)

Now we will certainly calculate the formal charge on the main atom i beg your pardon is Carbon in the CCl4 Lewis structure.

⇒ Valence electron the Carbon = 4

⇒ Bonding electron = 8

⇒ Non-bonding electrons(lone pairs electrons) = 0

Put these values in-formal charge formula-

∴ (4 – 0 – 8/2)

= 0 is the formal charge on the main atom(carbon).


FAQ

How plenty of bonded pair and also lone pair electrons present in the CCl4 lewis dot structure?

As per the CCl4 lewis structure, 0 lone pairs present roughly carbon atoms, and 4 external inspection pairs existing attached through chlorine

So, the total number of lone pair electrons = 0*2 = 0

and the total variety of bonded pair electron = 4*2 = 8

Why is CCl4 non-polar but its 4 bonds space polar?

As we discussed, 4 bonds that CCl4 are polar however the whole molecule is non-polar due to the fact that the dipole moment created in in between carbon and chlorine canceled out because of the symmetrical tetrahedral form of CCl4.

Also, over there is no lone pair existing on the central atom in the Carbon tetrachloride lewis framework which ensures that the molecule geometry of CCl4 is symmetrical with no repulsion in in between the bonds.

Summary

It’s time for the fast revision of the CCl4 Lewis structure, molecule geometry, and also other aspects which us have debated in this article.

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The total valence electron accessible for the CCl4 lewis framework is 32.Carbon tetrachloride lewis structure is made up of one carbon atom that is located at the middle position and also four chlorine atom that are at the surrounding position.CCl4 molecular geometry is tetrahedral and also its electron geometry is additionally tetrahedral.The bond angle of CCl4 is 109.5º.CCl4 is nonpolar in nature however its bond is polar.The network dipole moment of Carbon tetrachloride is 0.The formal fee in the CCl4 lewis dot structure is zero.