PPSC Lecturer Chemistry Test 17 Online Preparation MCQs

1,1-Dichloropropane reacts with aqueous KOH to give:

Isopropyl bromide reacts with alcoholic KOH to give:

The reaction of 1-butene with bromine, Br2, in aqueous solution gives primarily 1-bromo-2-butanol. Identify the nucleophilic species in the reaction:

Which of the following elements has greater 1st ionization energy....................?

Freon-12, CCl2F2, is used as a:

2-Bromobutane reacts alcoholic KOH to mainly give:

Which of the following poisonous gas is formed when chloroform is exposed to light and air?

Alkyl halides undergo:

Carbylamine test involves heating a mixture of:

Which brief statement most accurately describes why alkenes react the way they do?

Which of the following compounds has been suggested as causing depletion of the ozone layer in the upper stratosphere?

Which of the following compounds will give a white precipitate with alcoholic AgNO3?

1-Bromobutane reacts with alcoholic KOH to mainly give:

Which compound reacts most rapidly by an SN1 mechanism?

Which of the following compounds will not give a white precipitate with alcoholic AgNO3:

Which of the following reagents cannot be used to prepare an alkyl chloride from an alcohol?

When chloroform is heated with aqueous NaOH, it gives:

2,2-Dichloropropane reacts with aqueous KOH to give:

Which of the following compounds would react most rapidly in an SN2,reaction?

n-Propyl iodide reacts with sodium ethoxide to give:

Which of the following factors influence whether a reaction will proceed by an SN1, SN2, E1, or E2 mechanism?

A compound, C15H24, is reacted with excess hydrogen using a metal catalyst. One equivalent of the compound consumed three equivalents of hydrogen. How many rings did the original compound have?

Which alkyl halides react most readily by nucleophilic substitution?

2-Propanol reacts with KBr and concentrated H2SO4 to give:

The best way to prepare 1,2-Dibromoethane is to treat: