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Chemistry
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Explain why alkenes can have stereoisomers

Alkenes have stereoisomers because no free rotation possible around the C=C double bond, as to do so would break the pi-bond between the two atoms. which requires energy to break.

Answered by Jakub H. Chemistry tutor
2425 Views

Crude oil has to be separated into fractions to be useful. How is this done?

Crude oil has lots of molecules with different numbers of carbon atoms in them. A fractional distillation column is used to separate the molecules. It is hottest at the bottom and coolest at the top. Bitu...

Answered by Tutor65308 D. Chemistry tutor
3503 Views

Why does the reactivity of group 1 elements increase as you go down the group?

Group 1 metals all have one electron in their outer shell. When they react they form positive metal ions by losing this electron. Since there is only one electron to lose, group 1 metals are all extrememe...

Answered by Priyanka H. Chemistry tutor
23732 Views

Explain why the product of nucleophilic addition of a cyanide ion to the ketone CH3COCH2CH3 shows no optical activity

The ketone group is planar and the cyanide ion has equal chance of attacking above or below the plane. Therefore a racemic mixture of the product is formed and the product shows no optical activity

Answered by Hannah T. Chemistry tutor
2141 Views

Describe the products of the following Friedl-Crafts substitution and explain the role of the AlCl3 in the reaction: C6H6 + CH3C(O)Cl + AlCl3 = ?

C6H6 + CH3C(O)Cl = C6H5C(O)CH3 + HCl

This is an example of an electrophilic aromatic substitution reaction, with the product being a ketone. The AlCl3 serves as a catalyst, converting the acyl chlo...

Answered by Thomas H. Chemistry tutor
11025 Views

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