The structure of the major product formed in the following reaction


is

Among the following the one that gives positives iodoform test upon reaction with $${I_2}$$ and $$NaOH$$ is

The structure of the compound that gives a tribromo derivative on treatment with bromine water is

A metal, $$M$$ forms chlorides in its $$+2$$ and $$+4$$ oxidation states. Which of the following statements about these chlorides is correct?