RUBIDIUM NITRATE RbNO3

Properties Rubidium nitrate RbNO3:

White, melts without decomposition, decomposes on further heating. Readily soluble in water with high endo-effect (without hydrolysis). Does not form crystalline hydrates. Strong oxidizing agent at sintering. In solution recovered only by atomic hydrogen.


Molar mass g/mol 147.47
Density g/cm3 3.11
Melting point °C 313

Obtaining rubidium nitrate RbNO3:

21Rb + 26HNO3(diluted, cold) = 21RbNO3 + NO↑ + N2O↑ + N2↑ + 13H2O.

RbOH + HNO3(diluted) = RbNO3 + H2O.


Сhemical reactions with rubidium nitrate RbNO3:

2RbNO3 = 2RbNO2 + O2 (540-880° C).

RbNO3(diluted) + 6H2O = [Rb(H2O)6]+ + NO3- (pH=7).

RbNO3(saturated) + (1-2)HNO3(conc.) = RbNO3·(1-2)HNO3↓ (normal. temp).

RbNO3 + 2H0(Zn, diluted HCl) = RbNO2 + H2O (boiling),

RbNO3 + 8H0(Zn, conc. NaOH) = NH3↑ + 2H2O + RbOH (boiling).

2RbNO3 + (NH4)2SO4 = Rb2SO4 + 2N2O + 4H2O (300-350° C).

RbNO3 + Pb = RbNO2 + PbO (400° C)


 

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