JEE Main c11vsepr_dipole_resonance — practice questions
12 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice JEE Main c11vsepr_dipole_resonance in the app →Per NCERT §4.4, the VSEPR theory (Sidgwick-Powell 1940; refined by Nyholm-Gillespie 1957) predicts molecular sPer NCERT §4.4, the order of repulsion between electron pairs in VSEPR is which?Per NCERT Table 4.6, what is the geometry of a molecule of type AB₅ with NO lone pairs on the central atom (e.Per NCERT Table 4.6, what is the geometry of a molecule of type AB₆ with NO lone pairs (e.g. SF₆)?Per NCERT Table 4.7, the shape of SF₄ (5 e⁻ pairs: 4 bp + 1 lp around S) is which?Per NCERT Table 4.7, the shape of XeF₄ (4 bp + 2 lp on Xe) is which?Per NCERT Table 4.8, the H-N-H bond angle in NH₃ is which value, and why is it less than the tetrahedral 109.5Per NCERT §4.3.6 (Debye conversion), 1 DEBYE equals how many C·m, and the unit honours which scientist?Per NCERT §4.3.6 + Table 4.5, why is the dipole moment of BF₃ ZERO although each B-F bond is polar?Per NCERT §4.3.6, why is dipole moment of NH₃ (1.47 D) MUCH GREATER than that of NF₃ (0.23 D) despite F being Per NCERT §4.3.5, the concept of RESONANCE is invoked when which condition holds?Per NCERT §4.3.5 (misconceptions), which statement about RESONANCE is INCORRECT?