JEE CHEMISTRY UNIT 10
QUIZ NO 2
TOTAL QUESTIONS = 20
1. Which of the following oxides is amphoteric?
A. SiO2
B. P2O5
C. CO2
D. Al2O3
2. The acidic strength of hydrides of group 16 elements increases in the order
A. H2Te < H2Se < H2S < H2O
B. H2Se < H2S < H2Te < H2O
C. H2O < H2S < H2Se < H2Te
D. H2O < H2Te < H2Se < H2S
3. The most stable allotrope of carbon is
A. Graphite
B. Diamond
C. Fullerene
D. Carbon nanotubes
4. Which of the following elements exhibits maximum catenation?
A. Germanium
B. Silicon
C. Tin
D. Carbon
5. Which of the following is a greenhouse gas?
A. CO2
B. O2
C. N2
D. He
6. Which of the following is the most stable allotrope of phosphorus?
A. Violet phosphorus
B. White phosphorus
C. Black phosphorus
D. Red phosphorus
7. Which of the following compounds is used in glass etching?
A. HNO3
B. H2SO4
C. HCl
D. HF
8. Which of the following elements forms the strongest hydrogen bond?
A. Oxygen
B. Chlorine
C. Nitrogen
D. Fluorine
9. Which of the following oxoacids of phosphorus has the highest oxidation state?
A. H3PO4
B. H3PO2
C. H4P2O7
D. H3PO3
10. Which of the following halogens forms the most acidic hydride?
A. Fluorine
B. Chlorine
C. Iodine
D. Bromine
11. Which of the following halogens has the highest electronegativity?
A. Bromine
B. Chlorine
C. Fluorine
D. Iodine
12. Which of the following elements exhibits catenation to the maximum extent?
A. Carbon
B. Phosphorus
C. Sulfur
D. Silicon
13. Which of the following is used in glass etching?
A. H2SO4
B. HCl
C. HNO3
D. HF
14. Which of the following is a noble gas?
A. Nitrogen
B. Chlorine
C. Neon
D. Fluorine
15. Which of the following is used as a fumigant?
A. NH3
B. CO2
C. SO2
D. Cl2
16. Which of the following is a neutral oxide?
A. All of the above
B. NO
C. N2O
D. CO
17. The oxidation state of chlorine in HClO4 is
A. +7
B. +3
C. +5
D. +1
18. Which of the following hydrides is the most volatile?
A. NH3
B. PH3
C. AsH3
D. SbH3
19. Which of the following is the most abundant noble gas in the atmosphere?
A. Krypton
B. Argon
C. Helium
D. Neon
20. Which of the following oxides of nitrogen is neutral?
A. N2O5
B. NO2
C. N2O3
D. N2O
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