In which compound nitrogen has maximum oxidation state____________________?
A. N2O
B. NO2
C. HNO2
D. HNO3
In which compound nitrogen has maximum oxidation state____________________? Read More »
Chemistry Mcqs, Group VA and VIA Elements A. N2O
B. NO2
C. HNO2
D. HNO3
In which compound nitrogen has maximum oxidation state____________________? Read More »
Chemistry Mcqs, Group VA and VIA Elements A. Alkali
B. Acid
C. Water
D. Metals
Oxygen does not react with all except_________________? Read More »
Chemistry Mcqs, Group VA and VIA Elements A. N2O3
B. NO2
C. NO
D. N2O
FeSO4 forms brown ring with________________? Read More »
Chemistry Mcqs, Group VA and VIA Elements A. SO2
B. H2S
C. CO2
D. C2H4
The gas which cannot be dried by conc. H2SO4 ? Read More »
Chemistry Mcqs, Group VA and VIA Elements A. Fe
B. A
C. Cr
D. All of the above
Which of the elements show passivity when treated with conc. HNO3? Read More »
Chemistry Mcqs, Group VA and VIA Elements A. S
B. Se
C. Te
D. Po
The element of group VIA which is a non-metal is________________? Read More »
Chemistry Mcqs, Group VA and VIA Elements A. P2O3
B. P2O5
C. H3PO3
D. All have same smell
Which one of the following compounds usually smells like garlic ? Read More »
Chemistry Mcqs, Group VA and VIA Elements A. FeSO4.No
B. FeSO4.No2
C. FeSO4.No3
D. FeSO4.N2o
The composition of brown ring in nitrate test is_________________? Read More »
Chemistry Mcqs, Group VA and VIA Elements A. Lead pencils
B. Abrasive
C. Lubricant
D. Electrode of electrolytic cell
Which one of the following is not the use of graphite ? Read More »
Chemistry Mcqs, Group VA and VIA Elements A. Yolk of egg
B. Bone
C. Nerves
D. Steel
Which of the following does not contain phosphorus ? Read More »
Chemistry Mcqs, Group VA and VIA Elements