Characterisation of inorganic compounds

Characterisation of inorganic compounds: by IR, Raman, NMR, EPR, Mössbauer, UV-vis, NQR, MS, electron spectroscopy and microscopic techniques.

YEAR JUN-2016 DEC-2015 JUN-2015 DEC-2014 JUN-2014 DEC-2013 JUN-2013 DEC-2012 JUN-2012 DEC-2011 JUN-2011
No.of questions appeared  7   5 4 5 7 4 3 5 4 5 2

1.As a ligand Cl is:

 (a) Only a σ – donor

(b) Only a π – donor

(c) Both a σ – donor and a π – donor

(d) A σ – donor and a σ – acceptor

 

2.The correct d-electron configuration showing spin-orbit coupling is

(a) t2g4eg2

(b) t2g6eg0

(c) t2g4eg0

(d) t2g3eg2

 

3.For the reaction, trans-[IrCl (CO) (PPh3)2] + Cl2→ trans-[IrCl3(CO) (PPh3)2], the correct observation

(a) VCO(product) > VCO(reactant)

(b) VCO(product) < VCO(reactant)

(c) VCO(product) = VCO(reactant)

(d) VCO(product) = VCO(free CO)

 

4.Among the following the strongest oxidizing agent is:

(a) [WO]2-

(b) [CrO]2-

(c) [MoO]2-

(d) [ReO]1-

 

5.The least basic among the following is:

 (a) Al (OH)3

(b) La (OH)3

(c) Ce (OH)3

(d) Lu (OH)3

 

6.The carbonyl resonance in13C NMR spectrum of [(h5– C5 H5)Rh(CO)]3 (103Rh, nuclear spin, I=1/2, 100%) shows a triplet at –65º C owing to the presence of

(a) Terminal CO

(b) m2– CO

(c)m3  CO

(d) h5-C5H5

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