The coloured nature of transition metal ions are associated with their partially filled
f- orbital
s- orbital
p-orbital
d-orbital
Correct answer is D
No explanation has been provided for this answer.
Copper is displaced from the solution of its salts by most metals because it
is a transition element
is at the bottom of the activity series
is very reactive
has completely filled 3d-orbitals
Correct answer is B
No explanation has been provided for this answer.
A metal that forms soluble trioxosulphate (IV) ion is
barium
potassium
manganese
aluminium
Correct answer is B
No explanation has been provided for this answer.
Sulphur (IV)oxide is a strong reducing agent in the presence of water due to the formation of
hydroxide ion
sulpgur (Vl)oxide
hydrogen sulhide
trioxosulphate (IV) salt
Correct answer is D
No explanation has been provided for this answer.
Which of the gases is employed as an anaesthesia?
N 2O
NO2
NH3
NO
Correct answer is A
No explanation has been provided for this answer.