11 markeasy
Which compound does not contain ionic bonds?
Choose your answer
BaCl2
CaCO3
CH3OH
NaOH
Chemistry — A-Level
9 questions · 9 marks · ≈ 9 min
Which compound does not contain ionic bonds?
Choose your answer
BaCl2
CaCO3
CH3OH
NaOH
Which statement describes what happens when silicon tetrachloride is added to water?
Choose your answer
It dissolves to give a neutral solution only.
It reacts to give an acidic solution only.
It reacts to give a precipitate and a neutral solution.
It reacts to give a precipitate and an acidic solution.
Magnesium oxide has a very high melting temperature.
Which statement describes the structure and bonding of magnesium oxide?
Choose your answer
Giant ionic
Giant metallic
Macromolecular
Simple molecular
Which compound contains both covalent and ionic bonds?
Choose your answer
1,2-dibromoethane, CH2BrCH2Br
calcium chloride, CaCl2
propanoic acid, CH3CH2COOH
sodium nitrate, NaNO3
Which statement about ions and ionic compounds is not correct?
Choose your answer
Aluminium chloride has the formula AlCl2.
Ammonium phosphate has the formula (NH4)3PO4.
Nitrogen can form a 3- ion.
Potassium can form a cation.
Which statement describes ionic bonding?
Choose your answer
electrostatic attraction between oppositely charged ions
electrostatic attraction between positive ions and delocalised electrons
electrostatic attraction between positively charged nuclei
electrostatic attraction between shared pairs of electrons and positively charged nuclei
Which row gives the correct formula for each ion?
| phosphate | ammonium | ethanoate | nitrite | |
|---|---|---|---|---|
| A | PO43- | NH4+ | CH3COO+ | NO3- |
| B | PO32- | NH4- | CH3COO- | NO2- |
| C | PO43- | NH4+ | CH3COO- | NO2- |
| D | PO42- | NH4+ | CH3CH2COO- | NO3- |
Choose your answer
What is the formula of gallium phosphide?
Choose your answer
GaP
GaP2
Ga2P
Ga3P2
What is the formula of aluminium sulfate?
Choose your answer
AlSO4
Al(SO4)2
Al2(SO4)3
Al3(SO4)2