MEDIUM
Earn 100

Mark the correct statements (s).
(i) Manganese exhibits +7 oxidation state
(ii) Zinc forms coloured ions
(iii) [CoF6]3- is diamagnetic
(iv) Sc forms +4 oxidation state
(v) Zn exhibits only +2 oxidation state

50% studentsanswered this correctly

Important Questions on Transition and Inner Transition Elements

MEDIUM
A compound of vanadium chloride has spin only magnetic moment of 1.73 BM. Its formula is
HARD
Which of the following arrangements does not represent the correct order of the property stated against it?
MEDIUM
Magnetic moment 2.83 BM is given by which of the following ions?
(At.nos. Ti=22,Cr=24, Mn=25, Ni=28)
EASY
When heated in air, brown copper powder turns black. This black powder would turn brown again when heated with
EASY
The metal that gives hydrogen gas upon treatment with both the acid as well as the base is
MEDIUM
The pair of metal ions that can give a spin only magnetic moment of 3.9BM for the complex [M(H2O)6]Cl2 , is:
EASY
Consider the hydrated ions of Ti2+, V2+, Ti3+ and Sc3+ . The correct order of their spin-only magnetic moments is:
EASY
Which of the following are the transition metal ions responsible for colour in ruby and emerald respectively?
EASY
For the following Assertion and Reason, the correct option is:
Assertion: For hydrogenation reactions, the catalytic activity increases from Group 5 to Group 11 metals with maximum activity shown by Group 7-9 elements.
Reason: The reactants are most strongly adsorbed on group 7-9 elements.
HARD
Spin only magnetic moment 2.84BM is given by:

(Atomic Number of Ni=28,Ti=22,Cr=24,Co=27)
EASY
Match the catalysts to the correct process.
 
  Catalyst   Process
A. TiCl3 i. Wacker process
B. PdCl2 ii. Ziegler – Natta polymerisation
C. CuCl2 iii. Contact process`
D. V2O5 iv. Deacon’s process