Consider following statement(s) in the context of NO and CO ligands

​A. In the bent mode, NO donates three electrons to the metal center.

Consider the following reactions.

​$$Os(CO)_3(PPh_3)_2+Br_2 \rightarrow Os(CO)_2(PPh_3)_2(Br)_2(A)+CO$$

$$Mo(CO)_6 + 3 PEt_3\rightarrow Mo(CO)_3(PEt_3)_3 (B) + 3 CO$$

The correct stereochemical dispositions of the Br ligands in A and the CO ligands in B, respectively, are

In solution, Vaska's complex is known to bind $$O_2$$ reversibly. In the product, oxidation state of the metal ion center coordination geometry and mode of binding of $$O_2$$, respectively are

Isolobal pairs from the fragments (A-D) is/are

A. {BH}

B. $$\{ \text{Fe(CO)}_3 \}$$​​

C. {P}

D. $${Co(CO)_3}$$​​

Choose the correct answer from the options given below:

Among the following combinations of metal carbonyl clusters and their skeletal structures, identify the correct ones.

A. $$Co_6(CO)_{14}^{4-}\rightarrow$$ capped trigonal bipyramid​​

B. $$\text{Ni}_6(\text{CO})_{12}^{2-}$$→ trigonal antiprism​​

C. $$Rh_6C(CO)^{2-}_{15}\rightarrow$$ trigonal prism​

D. $$Os_6(CO)_{18}\rightarrow$$ octahedron​

Choose the correct answer from the options given below:

The $$[(\eta^5-C_5H_5)Fe(CO)_2]_2$$ molecule exists in solution as a 1:1 mixture of cis- and trans-isomers.

At 28°C, ¹H NMR spectrum of the molecule shows

The number of Ge-Ge, Te-Te and Pb-Pb bonds in $$Ge_4^{4-},Te_4^{2+}$$ and $$Pb_5^{2-}$$, respectively are​

Based on Wade's rules, the correct structure types for ​$$[B_4H_{10}],[B_8H_8]^{2-},[B_{10}H_{14}]$$ and $$[Mn(CO)_4B_3H_8]$$ respectively, are​

Consider the following statements with respect to Jacobsen’s catalyst used for epoxidation reaction. It is/has

A. manganese(III) complex
B. salen type ligand
C. cobalt(III) bromide complex
D. 1-nitroso-2-naphthol type ligand
E. square pyramid geometry
F. square planar geometry

Choose the correct answer from the options given below:

Among the following divalent metal ions  which forms polymeric compound, when ligand used is $$C_5 H_5^-$$ only​

The infrared (IR) spectrum of the product A for the following reaction

shows three STRONG bands at 1986, 1935 and 1601 cm^-1. The correct structure of ‘A’ is

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