Isomerism in Coordination Compounds
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CHXII09:COORDINATION COMPOUNDS

321987 Which of the following can participate in linkage isomerism?

1 \(\mathrm{NO}_{2}^{-}\)
2 \(\mathrm{H}_{2} \ddot{\mathrm{NCH}_{2}} \mathrm{CH}_{2} \ddot{\mathrm{N}} \mathrm{H}_{2}\)
3 \(\mathrm{H}_{2} \mathrm{O}\)
4 \(: \mathrm{NH}_{3}\)
CHXII09:COORDINATION COMPOUNDS

321988 Due to the presence of ambidentate ligands coordination compounds show isomerism. Palladium complexes of the type
\(\left[\mathrm{Pd}\left(\mathrm{C}_{6} \mathrm{H}_{5}\right)_{2}(\mathrm{SCN})_{2}\right]\) and \(\left[\mathrm{Pd}\left(\mathrm{C}_{6} \mathrm{H}_{5}\right)_{2}(\mathrm{NCS})_{2}\right]\) are

1 Linkage isomers
2 Coordination isomers
3 Ionisation isomers
4 Geometrical isomers
CHXII09:COORDINATION COMPOUNDS

321989 \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{6}\right]\left[\mathrm{Cr}(\mathrm{SCN})_{6}\right]\) and \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{2}(\mathrm{SCN})_{4}\right]\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{4}(\mathrm{SCN})_{2}\right]\) are the examples of what type of isomerism ?

1 Ionisation isomerism
2 Linkage isomerism
3 Coordination isomerism
4 Solvate isomerism
MHTCET - 2015
CHXII09:COORDINATION COMPOUNDS

321990 Assertion :
\(\mathrm{Co}\left[\mathrm{Hg}(\mathrm{SCN})_{6}\right]\) and \(\mathrm{Hg}\left[\mathrm{Co}(\mathrm{SCN})_{6}\right]\) are isomers.
Reason :
\(\mathrm{SCN}^{-}\)is a stronger ligand as compared to \(\mathrm{NCS}^{-}\).

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
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CHXII09:COORDINATION COMPOUNDS

321987 Which of the following can participate in linkage isomerism?

1 \(\mathrm{NO}_{2}^{-}\)
2 \(\mathrm{H}_{2} \ddot{\mathrm{NCH}_{2}} \mathrm{CH}_{2} \ddot{\mathrm{N}} \mathrm{H}_{2}\)
3 \(\mathrm{H}_{2} \mathrm{O}\)
4 \(: \mathrm{NH}_{3}\)
CHXII09:COORDINATION COMPOUNDS

321988 Due to the presence of ambidentate ligands coordination compounds show isomerism. Palladium complexes of the type
\(\left[\mathrm{Pd}\left(\mathrm{C}_{6} \mathrm{H}_{5}\right)_{2}(\mathrm{SCN})_{2}\right]\) and \(\left[\mathrm{Pd}\left(\mathrm{C}_{6} \mathrm{H}_{5}\right)_{2}(\mathrm{NCS})_{2}\right]\) are

1 Linkage isomers
2 Coordination isomers
3 Ionisation isomers
4 Geometrical isomers
CHXII09:COORDINATION COMPOUNDS

321989 \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{6}\right]\left[\mathrm{Cr}(\mathrm{SCN})_{6}\right]\) and \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{2}(\mathrm{SCN})_{4}\right]\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{4}(\mathrm{SCN})_{2}\right]\) are the examples of what type of isomerism ?

1 Ionisation isomerism
2 Linkage isomerism
3 Coordination isomerism
4 Solvate isomerism
MHTCET - 2015
CHXII09:COORDINATION COMPOUNDS

321990 Assertion :
\(\mathrm{Co}\left[\mathrm{Hg}(\mathrm{SCN})_{6}\right]\) and \(\mathrm{Hg}\left[\mathrm{Co}(\mathrm{SCN})_{6}\right]\) are isomers.
Reason :
\(\mathrm{SCN}^{-}\)is a stronger ligand as compared to \(\mathrm{NCS}^{-}\).

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
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CHXII09:COORDINATION COMPOUNDS

321987 Which of the following can participate in linkage isomerism?

1 \(\mathrm{NO}_{2}^{-}\)
2 \(\mathrm{H}_{2} \ddot{\mathrm{NCH}_{2}} \mathrm{CH}_{2} \ddot{\mathrm{N}} \mathrm{H}_{2}\)
3 \(\mathrm{H}_{2} \mathrm{O}\)
4 \(: \mathrm{NH}_{3}\)
CHXII09:COORDINATION COMPOUNDS

321988 Due to the presence of ambidentate ligands coordination compounds show isomerism. Palladium complexes of the type
\(\left[\mathrm{Pd}\left(\mathrm{C}_{6} \mathrm{H}_{5}\right)_{2}(\mathrm{SCN})_{2}\right]\) and \(\left[\mathrm{Pd}\left(\mathrm{C}_{6} \mathrm{H}_{5}\right)_{2}(\mathrm{NCS})_{2}\right]\) are

1 Linkage isomers
2 Coordination isomers
3 Ionisation isomers
4 Geometrical isomers
CHXII09:COORDINATION COMPOUNDS

321989 \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{6}\right]\left[\mathrm{Cr}(\mathrm{SCN})_{6}\right]\) and \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{2}(\mathrm{SCN})_{4}\right]\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{4}(\mathrm{SCN})_{2}\right]\) are the examples of what type of isomerism ?

1 Ionisation isomerism
2 Linkage isomerism
3 Coordination isomerism
4 Solvate isomerism
MHTCET - 2015
CHXII09:COORDINATION COMPOUNDS

321990 Assertion :
\(\mathrm{Co}\left[\mathrm{Hg}(\mathrm{SCN})_{6}\right]\) and \(\mathrm{Hg}\left[\mathrm{Co}(\mathrm{SCN})_{6}\right]\) are isomers.
Reason :
\(\mathrm{SCN}^{-}\)is a stronger ligand as compared to \(\mathrm{NCS}^{-}\).

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
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CHXII09:COORDINATION COMPOUNDS

321987 Which of the following can participate in linkage isomerism?

1 \(\mathrm{NO}_{2}^{-}\)
2 \(\mathrm{H}_{2} \ddot{\mathrm{NCH}_{2}} \mathrm{CH}_{2} \ddot{\mathrm{N}} \mathrm{H}_{2}\)
3 \(\mathrm{H}_{2} \mathrm{O}\)
4 \(: \mathrm{NH}_{3}\)
CHXII09:COORDINATION COMPOUNDS

321988 Due to the presence of ambidentate ligands coordination compounds show isomerism. Palladium complexes of the type
\(\left[\mathrm{Pd}\left(\mathrm{C}_{6} \mathrm{H}_{5}\right)_{2}(\mathrm{SCN})_{2}\right]\) and \(\left[\mathrm{Pd}\left(\mathrm{C}_{6} \mathrm{H}_{5}\right)_{2}(\mathrm{NCS})_{2}\right]\) are

1 Linkage isomers
2 Coordination isomers
3 Ionisation isomers
4 Geometrical isomers
CHXII09:COORDINATION COMPOUNDS

321989 \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{6}\right]\left[\mathrm{Cr}(\mathrm{SCN})_{6}\right]\) and \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{2}(\mathrm{SCN})_{4}\right]\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{4}(\mathrm{SCN})_{2}\right]\) are the examples of what type of isomerism ?

1 Ionisation isomerism
2 Linkage isomerism
3 Coordination isomerism
4 Solvate isomerism
MHTCET - 2015
CHXII09:COORDINATION COMPOUNDS

321990 Assertion :
\(\mathrm{Co}\left[\mathrm{Hg}(\mathrm{SCN})_{6}\right]\) and \(\mathrm{Hg}\left[\mathrm{Co}(\mathrm{SCN})_{6}\right]\) are isomers.
Reason :
\(\mathrm{SCN}^{-}\)is a stronger ligand as compared to \(\mathrm{NCS}^{-}\).

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
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