11
MCQ (Single Correct Answer)
A chelating agent has two or more than two donor atoms to bind to a single metal ion. Which of the following is not a chelating agent?
A
Thiosulphato
B
Oxalato
C
Glycinato
D
Ethane-1, 2-diamine
12
MCQ (Single Correct Answer)
Which of the following species is not expected to be a ligand?
A
NO
B
$\mathrm{NH}_4^{+}$
C
$\mathrm{NH}_2 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{NH}_2$
D
CO
13
MCQ (Single Correct Answer)
What kind of isomerism exists between $\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right] \mathrm{Cl}_3$ (violet) and $\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_5 \mathrm{Cl}\right] \mathrm{Cl}_2 \cdot \mathrm{H}_2 \mathrm{O}$ (greyish-green)?
A
Linkage isomerism
B
Solvate isomerism
C
Ionisation isomerism
D
Coordination isomerism
14
MCQ (Single Correct Answer)
IUPAC name of $\left[\mathrm{Pt}\left(\mathrm{NH}_3\right)_2 \mathrm{Cl}\left(\mathrm{NO}_2\right)\right]$ is
A
Platinum diaminechloronitrite
B
Chloronitrito-N-ammineplatinum (II)
C
Diamminechloridonitrito-N-platinum (II)
D
Diamminechloronitrito-N-platinate (II)
15
MCQ (Multiple Correct Answer)
Atomic number of Mn. Fe and Co are 25, 26 and 27 respectively. Which of the following inner orbital octahedral complex ions are diamagnetic?
A
$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$
B
$\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{3-}$
C
$\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{4-}$
D
$\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}$