" Which one of the following reactions would produce secondary alcoh "

Which one of the following reaction would produce secondary alcohol?

Which one of the following reaction would produce secondary alcohol?

Which of the following reactions would produce same product?

Which one among the followng compounds will produce a secondary alcohol on reaction with Grignard reagent ?

Which one among the followng compounds will produce a secondary alcohol on reaction with Grignard reagent ?

Which of the following reactions will produce aldehyde ?

Which of the following method would not produce clones ?