Chemical Properties of Boron Family
Trending Questions
Re-AIPMT 2015
- Al<Ga<In<Tl
- In<Tl<Ga<Al
- Tl<In<Ga<Al
- Ga<In<Al<Tl
Aluminium vessels should not be washed with materials containing washing soda because:
Washing soda is expensive
Washing soda reacts with aluminium to form soluble aluminate
Washing soda is easily decomposed
Washing soda reacts with aluminium to from insoluble aluminium oxide
Tl+H2O+O2→A. A is
Tl2O3
Tl(OH)3
Element M + N2 H2O−−→ NH3 Element M belong to group 13 can be
Mg or Al or B
B or Al
Ga or Al
Mg or B
H3BO3, NH3
B2O3, N2
B2O3, NH3
H3BO3, N2
B2Cl4
GaCl2
GaS
All of these
The relative stability of the different oxidation states,
TI+>TI3+, >Ga3+>Ga+TI+>In+>Ga+is because of
Redox potential
Disproportionation
Inert pair effect
Electron - afinity
N2 gas is passed or heated Mg and B. Products formed are
Mg3N2, BN and Mg3B2
MgN, BN
NO Reaction
Mg3N2, BN
An aqueous solution of potash alum is -
Acidic
Alkaline
Neutral
None of these
Concentrated aqueous sodium hydroxide can separate mixture of
Al3+ and Fe3+
Al3+ and Sn2+
Zn3+ and Pb2+
Al3+ and Zn3+