Chemical Bonding and Molecular Structure — practice questions
71 curated practice questions from Chemical Bonding and Molecular Structure (Chemistry NEET, NTA Exams) — 22 medium, 29 easy, 20 hard. Every question includes the final answer free; step-by-step worked solutions with a free account.
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A)…
- Which of the following molecules having tetrahedral structures is expected to have maximum value of dipole moment?
- A metal, M forms chlorides in its +2 and +4 oxidation states. Which of the following statement about these chlorides is…
- The electronegativity difference between N and F is greater than that between N and H, yet the dipole moment of NH 3…
- In the process, O _ 2 ^ + O _ 2 ^ 2+ + e ^ - the electron lost is from:
- The correct order of increasing bond angles in the following triatomic species is:
- Four diatomic species are listed below in different sequences. Which of these presents the correct order of their…
- Among the following mixtures, dipole-dipole as the major interaction, is present in:
- Which of the following fluoro-compounds is most likely to behave as a Lewis base?
- The species in which the central atom uses sp 2 hybrid orbitals in its bonding is:
- The correct sequence of increasing covalent character is represented by:
- The percentage s-character of the hybrid orbitals in methane, ethene and ethyne are respectively:
- The total number of electrons that take part in forming the bonds in N 2 is:
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A)…
- Which of the following represents bonding molecular orbital?
- Which of the following molecules or compounds has covalent bonds?
- The correct order of energies of molecular orbitals of N 2 molecule is:
- PCl 3 and PCl 5 both exist; NCl 3 exists but NCl 5 does not exist. It is due to:
- Which one is the correct statement with reference to solubility of MgSO 4 in water?
- The correct statement with regard to H _ 2 ^ + and H _ 2 ^ - is:
- Among the following which is the correct order Lewis acidity:
- Which one of the following compound has sp 2 hybridisation?
- BCl 3 is a planar molecule, while NCl 3 is pyramidal, because:
- which of the following compounds shows evidence of the strongest hydrogen bonding?
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A)…
- In which one of the following species the central atom has the type of hybridisation which is not the same as that…
- Among the following, the maximum covalent character is shown by the compound:
- The strength of sigma bonds by axial overlap of s- or p-orbitals of 2 nd shell of participating atoms decreases as:
- An atom of an element A has three electrons in its outermost orbit and that of B has six electrons in its outermost…
- The hybridizations of atomic orbitals of nitrogen in NO _ 2 ^ + , NO _ 3 ^ - and NH _ 4 ^ + respectively are
- The bond energy (in kcal mol -1 ) of a C-C single bond is approximately:
- Given below are two statements: Statement I : The extent of dissociation of an acid depends on the strength and…
- According to MO theory which of the following lists ranks the nitrogen species in terms of increasing bond order?
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A)…
- Which of the following set of molecules will have zero dipole moment?
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A)…
- In X-H---Y, X and Y both are electronegative elements. Which of the following is correct?
- Molecular shapes of SF 4 , CF 4 and XeF 4 are:
- Arrange the following compounds in order of increasing dipole moment: toluene(I), m-dichlorobenzene (II)…
- Which of the following organic compounds has same hybridization as its combustion product-(CO 2 )?
- Which of the following species exhibits the diamagnetic behaviour?
- NH 3 has much higher boiling point than PH 3 because:
- The molecule having largest dipole moment among the following is:
- Which of the following is not isostructural with SiCl 4 ?
- The correct order regarding the electronegativity of hybrid orbitals of carbon is:
- The number and type of bonds between two carbon atoms in calcium carbide are:
- Maximum bond angle at nitrogen is present in which of the following?
- Graphite is a soft solid lubricant extremely difficult to melt. The reason for this anomalous behaviour is that…
- Element X is strongly electropositive and element Y is strongly electronegative. Both are univalent. The compound…
- Which one among the following does not contain a hydrogen bond?
- Which of the statement is not correct for sigma- and pi-bonds formed between two carbons atoms?
- In which of the following molecules / ions BF 3 , NO _ 2 ^ - , NH _ 2 ^ - and H _ 2 O _ 4 the central atom is sp 2…
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A)…
- In which of the following ionisation processes, the bond order has increased and the magnetic behaviour has changed?
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A)…
- Which of the following molecules represents the order of hybridisation sp 2 , sp 2 , sp, sp from left to right atoms?
- In which of the following process, the bond order has increased and paramagnetic character has changed to diamagnetic?
- Which one of the following compounds has the smallest bond angle?
- The correct order of increasing bond angles in the following species is:
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A)…
- Which of the following molecules/ions do not contain unpaired electrons?
- Four elements P, Q, R, S have atomic numbers Z - 1, Z, Z + 1 and Z + 2 respectively. If Z is 17, then bond between…
- The bond order in N 2 is 3 and N 2 + is 2.5. Which of the following statements is true for these two species?
- The correct stability order of the resonance structures is: H _ 2 C = + N = N ; H _ 2 + C - N = N ; H _ 2 C - + N N ; H…
- The correct order of dipole moments for molecules NH 3 , H 2 S, CH 4 and HF is
- The hybridisations of atomic orbitals of nitrogen in NO 2 + , NO 3 - and NH 4 + are:
- The ion that has sp 3 d 2 ha hybridization for the central atom is:
- KF combines with HF to form KHF 2 . The compound contains the species:
- Which one of the following species is diamagnetic in nature?
- In which of the following pairs, the two species are isostructural?
- In which of the following pairs of molecules/ions, the central atoms have sp 2 hybridisation?