Chemistry Mcqs

Which of the following does not contain phosphorus ?

• (A)  Yolk of egg
• (B)  Bone
• (C)  Nerves
• (D)  Steel

Answer

Submitted By :Ali Uppal

Which of the halogen can displace other three elements ?

• (A)  Flourine
• (B)  Chlorine
• (C)  Iodine
• (D)  Bromine

Answer

Submitted By :Ali Uppal

Consider the following reaction- 3Cl2 + 6NaOH ? NaClO3 + 5NaCl + 3H2O This reaction is_______________?

• (A)  Displacement reaction
• (B)  Double displacement reaction
• (C)  Disproportionation reaction
• (D)  Reduction reaction

Answer

Submitted By :Ali Uppal

Consider the following reaction- 2KCIO3 + H2C2O4 + H2SO4 ? K2SO4 + 2H2O + 2CO2 + Oxide Which oxide of chlorine is produced in the above reaction ?

• (A)  Cl2O
• (B)  ClO2
• (C)  Cl2O6
• (D)  Cl2O7

Answer

Submitted By :Ali Uppal

Bromine can be liberated from KBr solution by the action of _______________?

• (A)  Iodine solution
• (B)  Chlorine
• (C)  NaCl
• (D)  Ki

Answer

Submitted By :Ali Uppal

The halogen having highest electron affinity is_____________________?

• (A)  Fluorine
• (B)  Chlorine
• (C)  Bromine
• (D)  Iodine

Answer

Submitted By :Ali Uppal

The halogen which reacts very slowly with halogen is________________?

• (A)  Fluorine
• (B)  Chlorine
• (C)  Bromine
• (D)  Iodine

Answer

Submitted By :Ali Uppal

The halogen which reacts spontaneously with gold (Au) to form Au+3 is ________________?

• (A)  F2
• (B)  Cl2
• (C)  Br2
• (D)  I2

Answer

Submitted By :Ali Uppal

The most powerful oxidizing agent among the halogens is__________________?

• (A)  F2
• (B)  Cl2
• (C)  Br2
• (D)  I2

Answer

Submitted By :Ali Uppal

Vander Waals forces are stronger in_______________?

• (A)  F2
• (B)  Cl2
• (C)  Br2
• (D)  I2

Answer

Submitted By :Ali Uppal