Selected MCQ

Current Question
A uniform electric field points in the +x direction. An electron released from rest will accelerate:
  • A. In +x direction
  • B. In -x direction
  • C. Perpendicular to x-axis
  • D. It will not accelerate
Correct Answer: B
Explanation:
The force on a negative charge is opposite the electric field direction.
Related Question 1
Which bond involves delocalized electrons?
  • A. Ionic
  • B. Covalent
  • C. Metallic
  • D. Hydrogen
Correct Answer: C
Explanation:
Metallic bonding has electron sea.
Related Question 2
Which device measures electric power?
  • A. Voltmeter
  • B. Ammeter
  • C. Wattmeter
  • D. Ohmmeter
Correct Answer: C
Explanation:
Wattmeter measures power.
Related Question 3
Which species is isoelectronic with Ne?
  • A. Na⁺
  • B. Mg²⁺
  • C. F⁻
  • D. All of the above
Correct Answer: D
Explanation:
All have 10 electrons like neon.
Related Question 4
Which reaction releases electrons?
  • A. Reduction
  • B. Oxidation
  • C. Neutralization
  • D. Precipitation
Correct Answer: B
Explanation:
Oxidation is loss of electrons.
Related Question 5
Which species has highest electronegativity?
  • A. Oxygen
  • B. Fluorine
  • C. Chlorine
  • D. Nitrogen
Correct Answer: B
Explanation:
Fluorine is most electronegative.