The solution of BiCl₃ in dil. HCI when diluted with water, white precipitate is formed which is

• Bismith oxychloride

• Bismith oxide

• Bismith hydroxide

• None of the above

The strongest acid is

• acetic acid

• trichloroacetic acid

• dichloroacetic acid

• monochloroacetic acid

Which of the following is the strongest base?

• C₆H₅NH₂

• CH₃NH₂

• NH₃

• CH₃CONH₂

The geometry of I${}_3^{-}$ is

• triangular

• linear

• tetrahedral

• T-shape

The volume concentration of hydrogen peroxide having 6.8% concentration will be

• 5

• 11.2

• 22.4

• 20

16.

The degree of ionization of 0.4 M acetic acid will be (K_a = 1.8 × 10)

• 6.71 × 10^-3

• 1.6 × 10^-3

• 0.4 × 1.8 × 10^-3

• 1.8 × 10^-5

Which of the following species shows the maximum magnetic moment?

• Mn⁶⁺

• Ni²⁺

• Fe³⁺

• Ag⁺

C-H bond length is least in

• acetylene

• methane

• ethylene

• ethane

[Cu(NH₃)₄]²⁺ shows the following hybridization

• dsp²

• sp³d

• dsp³

• sp³

A solution contains Cl^-, I^- and SO${}_4^{3-}$ ions in it. Which of the following ion is capable to precipitate all of the above when added in this solution?

• Pb²⁺

• Ba²⁺

• Hg²⁺

• Cu²⁺