Topic 2: Chemical Bonding and Structure

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Created by: LouiseG
Created on: 16-04-16 11:42

1. Which one of the following is not a giant covalent lattice?

Silicon (IV) oxide
Diamond
Potassium Iodide
Graphene

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2. In order for a substance to dissolve...

...polar compounds should be used as the solvent
...the attractions formed between the solute and solvent need to be stronger than the original bonds
...the solute-solute bonds need to be stronger than the solvent-solvent bonds
... a compound with a different type of bonding must be used

3. Which of these has the lowest boiling point?

2-methylhexane
2,2,dimethylpropane
But-1-ene
ethanol

4. What is a dative covalent bond?

A bond formed from the overlap of an empty orbital and a lone pair
A bond with a large difference in electronegativity between the two atoms
A bond vunerable to nucelophilic attack
A bond where one atom donates 3 electrons

5. Which of these molecules doesn't have H bonds?

NH4
CH4
C2H2OH
H2O

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Comments

Ahmed Ahnaf

Report Sun 25th February, 2018 @ 11:50

London forces are the weakest bonds among the intermolecular forces. One of the answers in the question is wrong. Please rectify the mistake whoever has made this. Appreciate the fact that you have spent your time making this.