2. Compounds, Formulae And Equations Exam Questions Flashcards
(6 cards)
1
Q
Describe what a student would see when they react a sample of ZnCO3 with an excess of dilute HCl
A
- zinc carbonate would dissolve
- fizzing
2
Q
Write the equation for the reaction between aluminium and fluorine
A
2Al + F2 -> 2AlF3
3
Q
A molecule of an alkane has 24 C atoms. State the empirical formula
A
C12H25
4
Q
Suggest the formulae of any ions present in H4N2O3
A
NH4+
NO3-
5
Q
Write the equation for the reaction of barium nitride with water
A
Ba3N2 + 6H20 -> 3Ba(OH)2 + 2NH3
6
Q
Predict the structure and bonding of Ba3N2
A
Giant ionic lattice
