Which of the following has the lowest melting point
Asked by maham237 @ in Chemistry viewed by 314 People
Which one of the following substances would have the lowest melting point? A) Cl2 B) HI C) H2O D) CCl4
Asked by maham237 @ in Chemistry viewed by 314 People
Which one of the following substances would have the lowest melting point? A) Cl2 B) HI C) H2O D) CCl4
Answered by maham237 @
In the given examples, Cl2 and CCl4 are non-polar and held by covalent bonds. HI and H2O are polar molecules and held by ionic bonds.
Since covalent bonds are weaker than ionic bonds, Cl2 or CCl4 must have the lowest melting points. Among the two, Cl2 has a lower molecular mass than CCl4, hence Cl2 must have the lowest melting point.
Ans A) Cl2
Answered by maham237 @
In the given examples, Cl2 and CCl4 are non-polar and held by covalent bonds. HI and H2O are polar molecules and held by ionic bonds.
Since covalent bonds are weaker than ionic bonds, Cl2 or CCl4 must have the lowest melting points. Among the two, Cl2 has a lower molecular mass than CCl4, hence Cl2 must have the lowest melting point.
Ans A) Cl2
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