Chemistry Mcqs

Energy released or absorbed when electrons are added in atom is_________________?

• (A)  Ionization potential
• (B)  Electronegativity
• (C)  Electron affinity
• (D)  Activation energy

Answer

Submitted By :Ali Uppal

Greater shielding effect corresponds to ionization energy value___________________?

• (A)  Greater
• (B)  Lesser
• (C)  Remain same
• (D)  No effect

Answer

Submitted By :Ali Uppal

Energy required to remove electron from an atom______________?

• (A)  Ionization potential
• (B)  Electronegativity
• (C)  Electron affinity
• (D)  Activation energy

Answer

Submitted By :Ali Uppal

In a period the atomic radius ?

• (A)  Increases
• (B)  Decreases
• (C)  Remain same
• (D)  First decreases then increases

Answer

Submitted By :Ali Uppal

Force responsible to hold atoms together in a compound is called ________________?

• (A)  Bond
• (B)  Attractive force
• (C)  Interaction
• (D)  All of above represent same entity

Answer

Submitted By :Ali Uppal

A specie with maximum number of unpaired electrons ?

• (A)  F
• (B)  H2O
• (C)  HF
• (D)  NH-2

Answer

Submitted By :Ali Uppal

Measurement of the degree of polarity is___________________?

• (A)  Electron affinity
• (B)  Ionic character
• (C)  Ionization energy
• (D)  Dipole moment

Answer

Submitted By :Ali Uppal

Which of the solid does not contain covalent bond________________?

• (A)  Copper
• (B)  Ice
• (C)  Diamond
• (D)  Graphite

Answer

Submitted By :Ali Uppal

Which of the following will have highest value of electron affinity_________________?

• (A)  F
• (B)  Cl
• (C)  Br
• (D)  I

Answer

Submitted By :Ali Uppal

The relative attraction of the nucleus for the electrons in a chemical bond is called _________________?

• (A)  Ionization energy
• (B)  Electron affinity
• (C)  Electro negativity
• (D)  None of the above

Answer

Submitted By :Ali Uppal