Which of these pair of reactants compound may be used to make this given acetal ?

Which pair of reactants compounds may be used to make given acetal?

Which pair of reactants compounds may be used to make given acetal ?

Which of the following combination of reactants can be used to prepane the following given compound?

Which of the following sets of reactants may be used to prepare 2 -methylbutan- 2-ol ?

Which of the following pairs of compounds may be regarded both as functional isomer and position isomer?

For Which of the following pairs of compounds are the correct notations given?

Which of the following compounds is used to make prisms and cell windows for spectrophotometres?

Which of the following pairs of compounds may be regarded both as position isomers and functional isomers?

Which compound is used to make water free of germs?