The nitrogen atom has 7 protons and 7 electrons. The nitride ion will have
4 protons and 7 electrons
7 protons and 10 electrons
4 protons and 10 electrons
10 protons and 7 electrons
What is obtained on heating NH4NO3 strongly?
NO2
NH3
N2
N2O
For the detection of Ag+, ___________ is used.
O2
SO2
Ozone can be tested by
Ag
Hg
Zn
Au
Which one of the following compounds is a peroxide?
KO2
BaO2
MnO2
Ammonia, on reaction with excess of chlorine, gives
NCl3 and HCl
N4 and NH4Cl
NCl3 and NH4Cl
N2 and HCl
The basicity of pyrophosphorus acid is
2
4
1
5
On heating NH4NO3 strongly what is obtained?
The oxidation state of phosphorus in cyclotrimetaphosphoricacid is
+3
+4
-3
+5
