Which of the following compounds volatilises on heating?

• MgCl₂

• HgCl₂

• CaCl₂

• FeCl₃

AgCl dissolves in a solution of NH₃ but not in water because :

• NH₃ is a better solvent than H₂O

• Ag⁺ forms a complex ion with NH₃

• NH₃  is a stronger base than H₂O

• the dipole moment of water is higher than NH₃

Which of the following is hexadentate ligand?

• Ethylene diamine

• Ethylene diamine tetra acetic acid

• 1, 10-phenanthroline

• Acetyl acetonato

Which of the following complex has zero magnetic moment (spin only)?

• [Ni(NH₃)₆]Cl₂

• Na₃[FeF₆]

• [Cr(H₂O)₆]SO₄

• K₄[Fe(CN)₆]

 The IUPAC name of [Ni(PPh₃)₂Cl₂]²⁺ is:

• bis dichloro (triphenylphosphine) nickel (II)

• dichloro bis (triphenylphosphine) nickel (II)

• dichloro triphenylphosphine nickel (II)

• triphenyl phosphine nickel (II) dichloride

Among the following the compound that is both paramagnetic and coloured is :

• K₂Cr₂O₇

• (NH₄)₂(TiCl₆)

• VOSO₄

• K₃[Cu(CN)₄]

The epoxide ring consists of which of the following

• three membered ring with two carbon and one oxygen

• four membered ring with three carbon and one oxygen

• five membered ring with four carbon and one oxygen

• six membered ring with five carbon and one oxygen

28.

In the Grignard reaction, which metal forms an organometallic bond?

• Sodium

• Titanium

• Magnesium

• Palladium

Phenol is more acidic than :

• p-chlorophenol

• p-nitrophenol

• o-nitrophenol

• ethanol

Aldol condensation is given by

• trimethylacetaldehyde

• acetaldehyde

• benzaldehyde

• formaldehyde