Statement 1 : For an element with an atomic number of $17$ , the most probable oxidation number is $+ 1$ .
Statement 2: The outer energy level of the halogen family has a tendency to add one electron to itself.

Both Statement 1 and Statement 2 are correct and Statement 2 is the correct explanation of Statement 1.

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Both Statement 1 and Statement 2 are correct and Statement 2 is not the correct explanation of Statement 1.

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Statement 1 is correct but Statement 2 is not correct.

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Statement 1 is not correct but Statement 2 is correct.

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Both the Statement 1 and Statement 2 are not correct.

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Solution

The correct option is E
Statement 1 is not correct but Statement 2 is correct.

1. False.With atomic number $17$ the element has tendency to gain one electron completing its octet so the most probable oxidation number is $- 1$
2.True.Since halogen family are short of one electron in their valence shell so they have the tendency to gain electron.

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Statement 1 : For an element with an atomic number of 17, the most probable oxidation number is +1.Statement 2: The outer energy level of the halogen family has a tendency to add one electron to itself.

Statement 1 : For an element with an atomic number of $17$ , the most probable oxidation number is $+ 1$ .
Statement 2: The outer energy level of the halogen family has a tendency to add one electron to itself.