Inorganic Spectroscopy, Photochemistry and Organometallics

If complex [W(Cp) 2 (CO) 2 ] follows 18e - rule. What is Hapticity of Cp?

• 5 and 5

• 3 and 5

• 3 and 3

• 1 and 5

How many M — M bonds are present in [Cp Mo(CO ₃ )] ₂ ?

• 1

• 2

• 0

• 4

Which of the following complex has a highest oxidation state of metal?

• (η ⁶ -C ₆ H ₆ ) ₂ Cr

• Mn(CO) ₅ Cl

• Na ₂ [Fe(CO) ₄ ]

• K[Mn(CO) ₅ ]

[Tc(CNR) 6 ] + is used as heart imaging agent.

• True

• False

The therapy used in detoxification of heavy metal is

• Chelation therapy

• radiation therapy

• Chemotherapy

• all the above

The excessive intake of iron causes___________.

• Anemia

• siderosis

• cancer

• Alzheimer

Which metal is used for the synthesis of Vitamin B12?

• Ni

• Mo

• Co

• Mn

The enzyme superoxide dismutase, which converts the superoxide radical to

hydrogen

peroxide, requires which of the following trace elements for optimal function?

• copper

• zinc

• manganese

• all the above

Zn-containing enzymes are responsible for the hydrolysis of extracellular matrix.

• true

• false

The first discovered zinc metalloenzyme is

• alcohol dehydrogenase

• Carbonic anhydrase

• carboxypeptidase A

• Catalase