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Engineering

Given below are two statements :\nStatement(I) : Experimentally determined oxygen-oxygen bond lengths in the O3_3 are found to be same and the bond length is greater than that of a O = O (double bond) but less than that of a single (O - O) bond.\nStatement (II): The strong lone pair-lone pair repulsion between oxygen atoms is solely responsible for the fact that the bond length in ozone is smaller than that of a double bond (O=O) but more than that of a single bond (O – O).\nIn the light of the above statements, choose the correct answer from the options given below:

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Given below are two statements: Statement I: Chlorine can easily combine with oxygen to form oxides; and the product has a tendency to explode. Statement II: Chemical reactivity of an element can be determined by its reaction with oxygen and halogens. In the light of the above statements, choose the correct answer from the options given below

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A metal wire of uniform mass density having length L and mass M is bent to form a semicircular arc and a particle of mass m is placed at the centre of the arc. The gravitational force on the particle by the wire is: [Diagram: Semicircular arc with mass m at center]

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