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.Management Sciences
Category: The Halogens and The Noble Gases
Which one of the following halogens is present in Teflon________________?
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A. I2
B. Br2
C. Cl2
D. F2
The chemical formula of sodium hypochlorite is________________?
A. NaCLO
B. NaClO2
C. NaClO3
D. NaClO4
Which of the following represents the correct electronic configuration of VII A group elements in the ground state ?
A. ns2p2
B. ns2p4
C. ns2p5
D. ns2p6
The halogen which reacts spontaneously with gold (Au) to form Au+3 is ________________?
A. F2
B. Cl2
C. Br2
D. I2
The halogen having highest electron affinity is_____________________?
A. Fluorine
B. Chlorine
C. Bromine
D. Iodine
Consider the following reaction- 3Cl2 + 6NaOH ? NaClO3 + 5NaCl + 3H2O This reaction is_______________?
A. Displacement reaction
B. Double displacement reaction
C. Disproportionation reaction
D. Reduction reaction
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