Which one of the following complexes shows optical isomerism?

• cis[Co(en)₂Cl₂]Cl

• trans[Co(en)₂Cl₂]Cl

• [Co(NH₃)₄Cl₂ ]Cl

• [Co(NH₃)₄Cl₂ ]Cl

The number of geometric isomers that can exist for square planar [Pt (Cl) (py) (NH₃) (NH₂OH)]⁺ is (py = pyridine)

• 2

• 3

• 4

• 4

The Colour of KMnO₄ is due to 

• M → L charge transfer transition

• d-d transition

• L →M charge transfer transition

• L →M charge transfer transition

334.

Which of the following compounds will exhibit geometrical isomerism?

• 1-phenyl-2-butene

• 3-phenyl-1-butene

• 2-phenyl-1-butene

• 2-phenyl-1-butene

Which of the following compounds is not coloured yellow?

• Zn₂[Fe(CN)₆]

• K₃[Co(NO₂)₆]

• (NH₄)₃[As(Mo₃O₁₀)₄]

• (NH₄)₃[As(Mo₃O₁₀)₄]

The octahedral complex of a metal ion M³⁺ with four Monodentate Ligands, L₁, L₂, L₃ and L₄ absorb wavelengths in the region of red, green, yellow and blue respectively. The increasing order of ligand strength of the four ligands is

• L₄< L₃<L₂<L₁

• L₁<L₃<L₂<L₄

• L₃<L₂<L₄<L₁

• L₃<L₂<L₄<L₁

Which of the following properties are not shown by NO?

• It is diamagnetic in gaseous state

• It is a neutral oxide

• It combines with oxygen to form nitrogen dioxide

• It combines with oxygen to form nitrogen dioxide

Which of the following complex species is not expected to exhibit optical isomerism? 

• [Co(en)₃]³⁺

• [Co(en)₂Cl₂]⁺

• [Co(NH₃)₃Cl₃]

• [Co(NH₃)₃Cl₃]

Which one of the following molecules is expected to exhibit diamagnetic behaviour?

• C₂

• O₂

• N₂

• N₂

Which among the following will be named as dibromidobis(ethylene diamine)chromium(III) bromide?

• [Cr(en)₃]Br₃

• [Cr(en)₂Br₂]Br

• [Cr(en)Br₄]^-

• [Cr(en)Br₄]^-