Chemistry Mcqs

Apparent charge on atom in molecule is___________________?

• (A)  valency
• (B)  coordination number
• (C)  oxidation number
• (D)  charge number

Answer

Submitted By :Ali Uppal

In alkaline battery the anode is made up of______________________?

• (A)  MnO2
• (B)  Zn
• (C)  AgO2
• (D)  cadmium

Answer

Submitted By :Ali Uppal

Density of H2SO4 in lead accumulator is__________________?

• (A)  1.25g/cm3
• (B)  1.3g/cm3
• (C)  1.20g/cm3
• (D)  1.15g/cm3

Answer

Submitted By :Ali Uppal

With impurities like P and S the open hearth furnace is lined with ?

• (A)  SiO2
• (B)  Fe2O3
• (C)  FeO
• (D)  CaO MgO

Answer

Submitted By :Ali Uppal

In pig iron the concentration of C-atom is ___________________?

• (A)  0.12 — 0.25%
• (B)  2.5 — 4.5%
• (C)  2.0 — 4.0%
• (D)  0.25 — 2.5%

Answer

Submitted By :Ali Uppal

Geometry of the complex compounds usually depends upon __________________?

• (A)  type of ligands
• (B)  types of hybridization in the elements of ligands
• (C)  hybridization of central metal
• (D)  All of above

Answer

Submitted By :Ali Uppal

The compound or complex ion which has a ring in its structure__________________?

• (A)  polydentate ligand
• (B)  chelate
• (C)  monodentate ligand
• (D)  hydrate

Answer

Submitted By :Ali Uppal

Which of the following can form a chealate______________________?

• (A)  ammine
• (B)  oxalato
• (C)  carbonyl
• (D)  cyano

Answer

Submitted By :Ali Uppal

The specie which donates electrons to central metal atom in coordination sphere is called____________________?

• (A)  anion
• (B)  cation
• (C)  Ligand is positively charged
• (D)  acid

Answer

Submitted By :Ali Uppal

Non-stoichiometric compounds of transition elements are called___________________?

• (A)  hydrates
• (B)  hydrides
• (C)  binary compounds
• (D)  interstitial compounds

Answer

Submitted By :Ali Uppal