[" Which of the following reactions will give "],[" least substituted alkene? "]

Which of the following reactions will not give Hofmann alkene ?

Which of the following reactions will not give Hofmann alkene ?

Which of the following reactions would give trans-alkene ? .

Which of the following reactions produces an alkene ?

Which of the following will give Hofamann alkene?

Which of the following will give Hofamann alkene?

Consider the following reaction. Which of the following base will give the best yield of the alkene II as the major product?