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Describe and explain the electrical conductivity of lithium oxide, Li2O, and lithium in their solid and molten states.

Lithium conducts electricity in its solid and molten states. Lithium exhibits metallic bonding and as such its valence electrons are delocalised in the liquid and solid state allowing electricty to be con...

Answered by Charlie F. • Chemistry tutor

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For the formation of phenylethanone from benzene: Name and explain the mechanism, write an overall equation and write an equation for the formation of the electrophile.

Overall equation:
C₆H₆+ CH₃COCl ---> C₆H₅COCH₃ + HCl

Equation for formation of the electrophile:
CH₃COCl...

Answered by William F. • Chemistry tutor

9564 Views

What is meant by the term amphoteric? and give an example of a reaction using NaOH that could be used to distinguish between a solution of amphoteric AlCl3 and non-amphoteric MgCl2.

The phrase amphoteric describes a compound that reacts with both acids and bases.

NaOH can react with both AlCl₃ and MgCl₂to give a white precipitate but the addition of exc...

Answered by Lois L. • Chemistry tutor

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Which of Na+ and Mg2+ is the smaller ion. Explain your answer. (2 marks)

Mg2+ is the smaller ion. (1 mark) Mg2+ has a larger nuclear charge than Na+ and has the same number of electrons. (1 mark)

Further explaination: Magnesium is further along the period than sodium is...

Answered by Joseph H. • Chemistry tutor

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Does reactivity increase or decrease as you go down group 7?

Reactivity will decrease as you travel down group 7 in the periodic table. Group 7 elements need to gain an electron to become stable as they need 8 electrons in their outer shell. Group 7 elements only c...

Answered by Rebecca W. • Chemistry tutor

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