Werner’s Theory of Coordination Compounds
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CHXII09:COORDINATION COMPOUNDS

322384 A coordination compound \({\mathrm{\mathrm{CrCl}_{3} .4 \mathrm{H}_{2} \mathrm{O}}}\) precipitates silver chloride with silver nitrate solution. The molar conductivity of the solution corresponds to a total number of two ions. The number of chloride ions within the coordination sphere of the compound is _____ .

1 3
2 2
3 1
4 6
CHXII09:COORDINATION COMPOUNDS

322385 Assume \(100 \%\) ionisation of the following in aq. solution
(I) \(\left[\mathrm{Pt}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{4}\)
(II) \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{3}\)
(III) \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4}\right] \mathrm{Cl}_{2}\)
(IV) \(\mathrm{NaCl}\)
Increasing order of conductivity of the above solutions is

1 IV \( < \) III \( < \) II \( < \) I
2 I \( < \) II \( < \) III \( < \) IV
3 III \( < \) II \( < \) I \( < \) IV
4 I \(=\) II \(=\) III = IV
CHXII09:COORDINATION COMPOUNDS

322386 An octahedral complex with the formula \({\mathrm{\mathrm{CoCl}_{3} \cdot \mathrm{nNH}_{3}}}\) upon reaction with excess of \({\mathrm{\mathrm{AgNO}_{3}}}\) solution gives 2 moles of AgCl .Consider the oxidation state of Co in the complex is x . The value of \({\mathrm{\mathrm{x}+\mathrm{n}}}\) is ____.

1 8
2 3
3 5
4 6
CHXII09:COORDINATION COMPOUNDS

322387 Select CORRECT statements about \(\mathrm{PtCl}_{4}\). \(4 \mathrm{NH}_{3}\) complex salt
I. All the chlorides are bonded by primary valency.
II. All the chlorides are bonded by secondary valency.
III. All the \(\mathrm{NH}_{3}\) are bonded by secondary valency.
IV. Half of the chlorides are bonded with secondary valency.

1 I, III
2 III, IV
3 II, III
4 Only III
CHXII09:COORDINATION COMPOUNDS

322384 A coordination compound \({\mathrm{\mathrm{CrCl}_{3} .4 \mathrm{H}_{2} \mathrm{O}}}\) precipitates silver chloride with silver nitrate solution. The molar conductivity of the solution corresponds to a total number of two ions. The number of chloride ions within the coordination sphere of the compound is _____ .

1 3
2 2
3 1
4 6
CHXII09:COORDINATION COMPOUNDS

322385 Assume \(100 \%\) ionisation of the following in aq. solution
(I) \(\left[\mathrm{Pt}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{4}\)
(II) \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{3}\)
(III) \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4}\right] \mathrm{Cl}_{2}\)
(IV) \(\mathrm{NaCl}\)
Increasing order of conductivity of the above solutions is

1 IV \( < \) III \( < \) II \( < \) I
2 I \( < \) II \( < \) III \( < \) IV
3 III \( < \) II \( < \) I \( < \) IV
4 I \(=\) II \(=\) III = IV
CHXII09:COORDINATION COMPOUNDS

322386 An octahedral complex with the formula \({\mathrm{\mathrm{CoCl}_{3} \cdot \mathrm{nNH}_{3}}}\) upon reaction with excess of \({\mathrm{\mathrm{AgNO}_{3}}}\) solution gives 2 moles of AgCl .Consider the oxidation state of Co in the complex is x . The value of \({\mathrm{\mathrm{x}+\mathrm{n}}}\) is ____.

1 8
2 3
3 5
4 6
CHXII09:COORDINATION COMPOUNDS

322387 Select CORRECT statements about \(\mathrm{PtCl}_{4}\). \(4 \mathrm{NH}_{3}\) complex salt
I. All the chlorides are bonded by primary valency.
II. All the chlorides are bonded by secondary valency.
III. All the \(\mathrm{NH}_{3}\) are bonded by secondary valency.
IV. Half of the chlorides are bonded with secondary valency.

1 I, III
2 III, IV
3 II, III
4 Only III
CHXII09:COORDINATION COMPOUNDS

322384 A coordination compound \({\mathrm{\mathrm{CrCl}_{3} .4 \mathrm{H}_{2} \mathrm{O}}}\) precipitates silver chloride with silver nitrate solution. The molar conductivity of the solution corresponds to a total number of two ions. The number of chloride ions within the coordination sphere of the compound is _____ .

1 3
2 2
3 1
4 6
CHXII09:COORDINATION COMPOUNDS

322385 Assume \(100 \%\) ionisation of the following in aq. solution
(I) \(\left[\mathrm{Pt}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{4}\)
(II) \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{3}\)
(III) \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4}\right] \mathrm{Cl}_{2}\)
(IV) \(\mathrm{NaCl}\)
Increasing order of conductivity of the above solutions is

1 IV \( < \) III \( < \) II \( < \) I
2 I \( < \) II \( < \) III \( < \) IV
3 III \( < \) II \( < \) I \( < \) IV
4 I \(=\) II \(=\) III = IV
CHXII09:COORDINATION COMPOUNDS

322386 An octahedral complex with the formula \({\mathrm{\mathrm{CoCl}_{3} \cdot \mathrm{nNH}_{3}}}\) upon reaction with excess of \({\mathrm{\mathrm{AgNO}_{3}}}\) solution gives 2 moles of AgCl .Consider the oxidation state of Co in the complex is x . The value of \({\mathrm{\mathrm{x}+\mathrm{n}}}\) is ____.

1 8
2 3
3 5
4 6
CHXII09:COORDINATION COMPOUNDS

322387 Select CORRECT statements about \(\mathrm{PtCl}_{4}\). \(4 \mathrm{NH}_{3}\) complex salt
I. All the chlorides are bonded by primary valency.
II. All the chlorides are bonded by secondary valency.
III. All the \(\mathrm{NH}_{3}\) are bonded by secondary valency.
IV. Half of the chlorides are bonded with secondary valency.

1 I, III
2 III, IV
3 II, III
4 Only III
CHXII09:COORDINATION COMPOUNDS

322384 A coordination compound \({\mathrm{\mathrm{CrCl}_{3} .4 \mathrm{H}_{2} \mathrm{O}}}\) precipitates silver chloride with silver nitrate solution. The molar conductivity of the solution corresponds to a total number of two ions. The number of chloride ions within the coordination sphere of the compound is _____ .

1 3
2 2
3 1
4 6
CHXII09:COORDINATION COMPOUNDS

322385 Assume \(100 \%\) ionisation of the following in aq. solution
(I) \(\left[\mathrm{Pt}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{4}\)
(II) \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{3}\)
(III) \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4}\right] \mathrm{Cl}_{2}\)
(IV) \(\mathrm{NaCl}\)
Increasing order of conductivity of the above solutions is

1 IV \( < \) III \( < \) II \( < \) I
2 I \( < \) II \( < \) III \( < \) IV
3 III \( < \) II \( < \) I \( < \) IV
4 I \(=\) II \(=\) III = IV
CHXII09:COORDINATION COMPOUNDS

322386 An octahedral complex with the formula \({\mathrm{\mathrm{CoCl}_{3} \cdot \mathrm{nNH}_{3}}}\) upon reaction with excess of \({\mathrm{\mathrm{AgNO}_{3}}}\) solution gives 2 moles of AgCl .Consider the oxidation state of Co in the complex is x . The value of \({\mathrm{\mathrm{x}+\mathrm{n}}}\) is ____.

1 8
2 3
3 5
4 6
CHXII09:COORDINATION COMPOUNDS

322387 Select CORRECT statements about \(\mathrm{PtCl}_{4}\). \(4 \mathrm{NH}_{3}\) complex salt
I. All the chlorides are bonded by primary valency.
II. All the chlorides are bonded by secondary valency.
III. All the \(\mathrm{NH}_{3}\) are bonded by secondary valency.
IV. Half of the chlorides are bonded with secondary valency.

1 I, III
2 III, IV
3 II, III
4 Only III