JEE CHEMISTRY UNIT 10
QUIZ NO 1
TOTAL QUESTIONS = 20
1. Which of the following is the most electronegative element in the p-block?;Fluorine;Oxygen;Chlorine;Nitrogen;A
A.
B.
C.
D.
2. Which of the following is the heaviest noble gas?
A. Krypton
B. Xenon
C. Radon
D. Argon
3. Which of the following has the highest boiling point?
A. SbH3
B. PH3
C. AsH3
D. NH3
4. The basicity of H3PO4 is
A. 1
B. 4
C. 2
D. 3
5. The color of I2 vapor is
A. Green
B. Violet
C. Yellow
D. Brown
6. The hybridization of boron in BF3 is
A. dsp2
B. sp
C. sp3
D. sp2
7. The oxidation state of sulfur in H2SO5 is
A. +8
B. +2
C. +6
D. +4
8. Which of the following halides is the most covalent?
A. AlCl3
B. NaCl
C. MgCl2
D. KCl
9. The molecular geometry of SF6 is
A. Square planar
B. Trigonal bipyramidal
C. Tetrahedral
D. Octahedral
10. Which of the following is the most basic oxide?
A. P2O5
B. Na2O
C. Al2O3
D. SiO2
11. Which of the following elements forms the strongest hydrogen bond?
A. Oxygen
B. Chlorine
C. Fluorine
D. Nitrogen
12. The oxidation state of sulfur in H2SO4 is
A. +8
B. +2
C. +4
D. +6
13. Which of the following is the correct order of acidic strength?
A. HClO3 < HClO < HClO4 < HClO2
B. HClO < HClO3 < HClO2 < HClO4
C. HClO < HClO2 < HClO3 < HClO4
D. HClO4 < HClO3 < HClO2 < HClO
14. The element in group 15 with the highest oxidation state is
A. Antimony
B. Nitrogen
C. Arsenic
D. Phosphorus
15. Which of the following halides is the most covalent?
A. KCl
B. AlCl3
C. NaCl
D. MgCl2
16. The maximum covalency of nitrogen is
A. 5
B. 4
C. 3
D. 6
17. Which of the following oxides is acidic in nature?
A. Na2O
B. MgO
C. CO2
D. CaO
18. Which of the following noble gases does not form compounds?
A. Xenon
B. Radon
C. Neon
D. Krypton
19. Which of the following compounds is used in the manufacture of glass?
A. P2O5
B. SiO2
C. B2O3
D. Al2O3
20. Which of the following is used as a reducing agent in the extraction of metals?
A. CO
B. SO2
C. Cl2
D. O2
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