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Given below are two statements: Statement-I : Along the period, the chemical reactivity of the elements gradually increases from group 1 to group 18. Statement-II : The nature of oxides formed by group 1 elements is basic while that of group 17 elements is acidic. In the light of the above statements, choose the most appropriate from the options given below :

1. Both statement I and Statement II are true
2. Both statement I and Statement II are false
3. Statement I is false but statement II is true
4. Statement I is true but statement II is false

Correct answer: Statement I is false but statement II is true

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