Among the following compounds, which will react with acetone to give a product containing

Among the following compounds which one will react with acetone to give a product containing a carbon-nitrogen double bond ?

Which of the following will react with acetone to give a product containing C=N- ?

Which among the following compounds will give wurtz reaction ?

Which among the following compounds will give Wurtz reaction ?

Among the following the number of compounds which react with Fehling's solution is :