Central Atom and Ligands

Q. Which of the following is a negative ligand?

1. Aqua
2. Sulphato
3. Carbonyl
4. Nitrosonium

Q. The oxidation state of $Fe$ in Prussian blue is

1. +2
2. +4
3. +3
4. 0

Q. Which one of the following cannot act as a ligand?

1. $P{H}_3$
2. $N{O}^{+}$
3. $C{l}^{-}$
4. $B{F}_3$

Q. Which of the following cannot behave as a ligand

1. $P{H}_3$
2. $N{O}^{\oplus }$
3. $B{F}_3$
4. $B{r}^{\ominus }$

Q. Which of the following is a negative ligand?

1. Aqua
2. Sulphato
3. Carbonyl
4. Nitrosonium

Q. The coordination number and oxidation number of X in the following compound is : $\left[X\right(S{O}_4\left)\right(N{H}_3{)}_5]Cl$

1. 10, 3
2. 2, 6
3. 6, 3
4. 6, 4

Q. The oxidation state of $Fe$ in Prussian blue is

1. 2
2. 4
3. 3
4. \N

Q. Among the properties
(i) reducing (ii) Oxidizing (iii) Complexing, the set of properties shown by CN ion towards metal species is

1. iii, i
2. ii, iii
3. i, (iii)
4. i, ii, iii

Q. The pink colour of lithium chloride crystal is due to:

1. Metal deficiency defect
2. Impurity defect
3. Metal excess defect
4. Frenkel defect

Q. In the complex acetylbromidodicarbonylbis(triethylphosphine)iron(II), the number of $Fe-C$ bond(s) is

Q. The oxidation state of $Fe$ in Prussian blue is

1. 2
2. 4
3. 3
4. \N

Q. Which of the following compounds has the maximum molar conductivity?

1. $K\left[Co{\left(N{H}_3\right)}_2{\left(N{O}_2\right)}_4\right]$
2. $\left[Cr{\left(N{H}_3\right)}_3{\left(N{O}_2\right)}_3\right]$
3. ${\left[Cr{\left(N{H}_3\right)}_5\left(N{O}_2\right)\right]}_3{\left[Co{\left(N{O}_2\right)}_6\right]}_2$
4. $Mg\left[Cr\left(N{H}_3\right){\left(N{O}_2\right)}_5\right]$

Q. The pink colour of lithium chloride crystal is due to:

1. Metal excess defect
2. Impurity defect
3. Frenkel defect
4. Metal deficiency defect

Q. Ligands can be

1. Negative ions
2. Positive ions
3. Neutral ions
4. Bidentate