Indicate the correct statement__________________?
Correct answer: B. I2 is a volatile solid
- A. Cl2 is the strongest oxidizing agent
- B. I2 is a volatile solid
- C. Br2 is more reactive than Cl2
- D. Cl2 is insoluble in water
Explanation
Iodine is a volatile solid because its relatively weak intermolecular forces allow it to sublime readily on warming. Chlorine is a stronger oxidizing agent than bromine and iodine, bromine is less reactive than chlorine, and chlorine is slightly soluble rather than completely insoluble in water. Students may choose d by treating 'insoluble' as meaning only a small amount dissolves, instead of recognizing that some chlorine does dissolve and react with water.
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About Periodic Properties and Trends
Periodic properties arise from electron configuration and effective nuclear charge, producing trends in atomic and ionic radius, ionization energy, electron affinity, electronegativity, metallic character and reactivity. Comparisons run across periods and down groups, with attention to common exceptions. The topic also relates these trends to the behavior of s-block and p-block elements.
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