Two gas cylinders contain ethylene (ethene) and acetylene...
Two gas cylinders contain ethylene (ethene) and acetylene respectively. One test which can be used to distinguish between them is by?
passing each gas through bromine water
passing each gas through dilute potassium permanganate solution
passing each gas through silver nitrate solution
treating each gas catalytically with excess hydrogen gas
Correct answer is C
Acetylene reacts with ammoniacal AgNO3 solution to form a white precipitate of silver acetylide (AgC-=Cag) but ethylene does not
Water for town supply is chlorinated to make it free from? ...
In dry Leclanche cell, manganese (IV) oxide acts as ...
Which of the following pH values indicates that a solution is a strong base? ...
Arrange the following elements in order of increasing electron affinity: Br2CI2 I 2 F 2...
''The rate a reaction is proportional to the number of effective collisions occurring per se...
Which of the following is not a property of magnesium oxide? ...
Mg2+(aq) + 2e->(aq) → Mg(s)E°(volts) = 2.370 Zn2+(aq) + 2e->(aq) → Zn(s)E°(volts) = -0.763 ...