Dipole moment and polarity

27 questions on Dipole moment and polarity from the Chemical Bonding chapter: 5 NEET level, 10 JEE Main, 12 JEE Advanced. Each one opens with its answer and solution.

• Which of the following molecules has a zero dipole moment? NEET level
• BF3 has polar B-F bonds but a zero dipole moment because NEET level
• The SI unit of dipole moment is NEET level
• Which of the following has the largest dipole moment? NEET level
• Which of the following is a polar molecule? NEET level
• Cis-1,2-dichloroethene is polar whereas the trans isomer has zero dipole moment. The reason is JEE Main level
• The correct order of dipole moments of the dichlorobenzene isomers is JEE Main level
• Which of the following has zero net dipole moment? JEE Main level
• CO2 has zero dipole moment whereas SO2 has a non-zero dipole moment. This is because JEE Main level
• The correct decreasing order of dipole moment is JEE Main level
• Which of the following has zero dipole moment? JEE Main level
• Which of the following bonds has the highest percentage ionic character? JEE Main level
• Two bond dipoles of 1.5 D each act at an angle of 90 deg to each other. The magnitude of the resultant dipole moment is JEE Main level
• Both molecules have zero dipole moment in which pair? JEE Main level
• Which isomer of the square planar complex [Pt(NH3)2Cl2] has a non-zero dipole moment? JEE Main level
• An AB2 molecule has an A-B bond dipole of 2.0 D and an observed molecular dipole moment of 2.0 D. Assuming only bond dipoles contribute, the B-A-B bond angle is JEE Advanced level
• The dipole moment of o-dichlorobenzene is 2.60 D. Assuming only two equal C-Cl bond dipoles in the plane of the ring (directions 60 deg apart in ortho, 120 deg ... JEE Advanced level
• Which set contains only molecules with a non-zero dipole moment? JEE Advanced level
• Which of the following hydrocarbons has a zero dipole moment? JEE Advanced level
• Assertion (A): NF3 has a smaller dipole moment than NH3 although fluorine is more electronegative than hydrogen. Reason (R): In NF3 the resultant of the N-F bon... JEE Advanced level
• The observed dipole moment of HCl is 1.08 D and its bond length is 127.5 pm. Taking e=1.6x10^-19 C, 1 D=3.336x10^-30 C m and percent ionic character =100xmu_obs... JEE Advanced level
• Which of the following molecules has/have zero dipole moment? JEE Advanced level
• Which of the following molecules has/have a non-zero dipole moment? JEE Advanced level
• Which of the following has/have zero dipole moment? JEE Advanced level
• Which of the following statements is/are correct? JEE Advanced level
• Which of the following comparisons of dipole moment is/are correct? JEE Advanced level
• Which of the following statements about bond polarity and ionic character is/are correct? JEE Advanced level