If we talk about the geometrical structure of tetrachloromethane, the four bonds C-Cl lie at symmetric orientations relative to other C-Cl bonds. The melting point of Carbon Tetrachloride is around -23 degrees Celcius. CCl4 is soluble in chloroform, formic acid, alcohol, ether, CS2, naphtha, benzene. It also has its great use in NMR spectroscopy due to the absence of hydrogen atoms in the CCl4 molecule. Tetrachloromethane has its great use in the fire extinguishers, it prevents the fire by extinguishing the flames of fire. The CCl4 is nonpolar in nature because of the symmetrical tetrahedral geometrical structure. The four polar bonds in this geometry negate each other's effects, resulting in a non-polar molecule. It is important to understand that symmetry of a chemical compound is a very important factor in determining the polarity of a compound. The reaction is given as below, CH4 (Methane) + 4Cl2 (chlorine) ———> CCl4 + 4 HCl (acid). The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. The polarity of a molecule depends upon the various factors discussed below. The CCl4 forms the tetrahedral geometry and the bond angle in the CCl4 molecule is around 109.5 degrees. CS2 (carbon disulphide) + 3Cl2 (Chlorine) ——-> CCl4 + S2Cl2. Your email address will not be published. With lighter nonpolar solvents such as hexane, the high density Bromine settles out. Answer: CCl4 (carbon tetrachloride) is nonpolar because charge is equally distributed around the molecule in a tetrahedral structure. Although the four bonds C-Cl are polar because of the difference in electronegativity of Chlorine(3.16) and Carbon(2.55), CCl4 is nonpolar because the bond polarity gets canceled with each other due to the symmetrical geometrical structure (tetrahedral) of the CCl4 molecule.eval(ez_write_tag([[468,60],'techiescientist_com-box-3','ezslot_3',102,'0','0'])); Carbon Tetrachloride is an IUPAC name given to CCl4 and it exists as a liquid state at room temperature. The vapor pressure of CCl4 is 11.94 kPa at 20 °C. It was discovered by Henri Victor Regnault in the year 1839. The molecule of CCl4 is nonpolar in nature because of its symmetrical tetrahedral structure. All the non-bonding electrons in CCl4 tends to create a repulsive force among each other resulting in the bond angle of 109.5 degrees with each other and resulting in a tetrahedral shape. The four C-Cl bonds are polar, but they are arranged in a tetrahedral geometry, which results in a non-polar molecule. It produces a sweet odor that can be easily detected at lower levels. But due to the symmetry of all four bonds, the dipole moment of the C-Cl bond gets canceled by the opposite C-Cl bond. When did organ music become associated with baseball? Carbon tetrachloride forms sp3 hybridization with one s orbital and three p orbitals of Carbon. Dipole moment: The molecules having net dipole moment are polar in nature whereas the molecules that have zero dipole moment are nonpolar in nature. CCl4 is toxic in nature and it has ozone-depleting properties and also classified as a greenhouse gas. It exists as a colorless liquid and also gives a sweet smell. Molecules and the bonds between atoms can also have polarity. Is the Coronavirus Crisis Increasing America's Drug Overdoses? Why don't libraries smell like bookstores? It was synthesized by reacting chloroform and chlorine. Methane gas (CH4) does also has the same structure as CCl4. Did the Jonas Brothers Co-Write Get Back by Demi Lovato? These molecules also have asymmetric geometrical structures. CCl4 (Carbon Tetrachloride) exists as a liquid at room temperature. ), The Secret Science of Solving Crossword Puzzles, Racist Phrases to Remove From Your Mental Lexicon. But due to symmetrical structure, the net dipole moment gets canceled with each other forming CCl4 (Carbon Tetrachloride) a nonpolar molecule. It is also toxic to the human body on its direct exposure. So, In this article, I tried to cover the nonpolar nature of Carbon Tetrachloride molecule(CCl4).
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