Top answers

Chemistry
A Level

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...

CF
Answered by Charlie F. Chemistry tutor
31145 Views

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:
C6H+ CH3COCl ---> C6H5COCH3 + HCl

Equation for formation of the electrophile:
CH3COCl...

WF
Answered by William F. Chemistry tutor
8543 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 MgClto give a white precipitate but the addition of exc...

LL
Answered by Lois L. Chemistry tutor
13189 Views

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...

JH
Answered by Joseph H. Chemistry tutor
7553 Views

(See word doc for complete info) An experiment is carried out whereby the decomposition of hydrogen iodide is observed. Given the equilibrium compositions of each species, calculate the initial mass of hydrogen iodide.

(See word doc for step by step solution)

AL
Answered by Anil L. Chemistry tutor
2190 Views

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