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WorksheetsThe Boron Family
Total questions: 15
Worksheet time: 8mins
The boron family is named after the last element in its family.
True
False
How many valence electrons does the boron family have?
1
2
3
4
5
The most abundant metal in the earth's crust is
Aluminium
Iron
Copper
Tin
The reason why Tl shows +1 oxidation state is because
it is a metal.
inert pair effect.
it is very reactive.
it is an anomaly of Group IIIA.
Boron is electron deficient and hence, its neutral compounds are electron donors.
True
False
Aluminium is less reactive due to the formation of a stable oxide layer on its surface.
True
False
The picture shows the halide of boron.
True
False
Boron and silicon are both non-metals.
True
False
What is the chemical formula of diborane?
B5H9
B2H6
B2H3
B3H9
Choose the correct statements on the structure of diborane.
Electron deficient structure causing H-bridging.
sp2 hybridization.
2B are bonded to 4 H.
2 B are connected by hydrogen bonding.
NaBH4 is a non-selective reducing agent as it reduces double bonds.
True
False
Coloured borate glass is produced when boron oxide is fused with other metal oxides.
True
False
Boric acid is an example of boron oxide.
True
False
Boric acid is a tribasic oxide.
True
False
What type of boron compound was detected in yellow noodles in high concentration?
Diborane
Boron oxide
Boric acid
Ecoli
