Bond length, bond angle and bond order comparisons

27 questions on Bond length, bond angle and bond order comparisons from the Chemical Bonding chapter: 5 NEET level, 11 JEE Main, 11 JEE Advanced. Each one opens with its answer and solution.

• According to MO theory, the bond order of N2 is NEET level
• Which of the following has the shortest carbon-carbon bond? NEET level
• Which molecule has the smallest bond angle? NEET level
• According to MO theory, the bond order of O2+ is NEET level
• Which of the following has the longest carbon-oxygen bond? NEET level
• The correct order of the O-O bond lengths in O2+, O2, O2- and O2^2- is JEE Main level
• Which statement is correct about removing one electron from the neutral molecule (MO theory)? JEE Main level
• The correct order of bond angle is JEE Main level
• The H-N-H angle in NH3 (107 deg) is larger than the F-N-F angle in NF3 (102.5 deg) because JEE Main level
• The correct order of N-O bond length in NO+, NO and NO- is JEE Main level
• Which of the following does NOT have a bond order of 3 (MO theory)? JEE Main level
• The correct order of carbon-carbon bond length is JEE Main level
• The correct order of H-X-H bond angle in BeH2, BH3, CH4 and NH3 is JEE Main level
• Which pair of homonuclear diatomic species has the same bond order (MO theory)? JEE Main level
• Select all the species with an MO bond order of 2.5. JEE Main level
• Select the correct statements. JEE Main level
• Use the MO orbital order with pi_2p below sigma_2p for B2, C2 and N2, and sigma_2p below pi_2p for O2. Which species has bond order 2 and is diamagnetic? JEE Advanced level
• Arrange CO, CO2, HCOO- and CO3^2- in order of increasing C-O bond length. JEE Advanced level
• The correct order of the O-N-O bond angle in NO2+, NO2 and NO2- is JEE Advanced level
• Assertion: The H-N-H bond angle in NH3 is greater than the H-P-H bond angle in PH3. Reason: Nitrogen is more electronegative than phosphorus, so the bonding pai... JEE Advanced level
• The correct order of decreasing length of the carbon-carbon single bond in CH3-CH3, CH3-CH=CH2 and CH3-C#CH (bond between the methyl carbon and the next carbon)... JEE Advanced level
• The correct order of O-O bond length in O2, O3 and H2O2 is JEE Advanced level
• The correct order of H-C-H bond angle in CH3+, CH4 and CH3- is JEE Advanced level
• Select all the species in which the relevant bond has an average bond order of 1.5. JEE Advanced level
• Select all the correct statements about bond lengths. JEE Advanced level
• Select all the correct comparisons of bond angle. JEE Advanced level
• Using MO theory, find the sum of the bond orders of O2-, O2^2-, N2+ and C2-. Give the answer to one decimal place. JEE Advanced level