Chemical Bonding and Molecular Structure questions
1784 published questions with worked solutions.
- Which one of the following molecules is expected to exhibit diamagnetic behaviour ?
- In which of the following pairs of molecules/ions, both the species are not likely to exist ?
- Stability of the species Li_2, Li_2^- and Li_2^+ increases in the order of -
- Given below are two statements: Statement I: The number of species among SF_4, NH_4^+, [NiCl_4], XeF_4, [PtCl_4]^ 2- , SeF_4 and...
- The correct increasing order of C – H(A), C – O(B), C = O(C) and C ≡ N(D) bonds in terms of covalent bond length is:
- Given below are two statements: Statement I: The correct order in terms of bond dissociation enthalpy is Cl_2 > Br_2 > F_2 > I_2...
- Two p-block elements X and Y form fluorides of the type EF_3. The fluoride compound XF_3 is a Lewis acid and YF_3 is a Lewis...
- Among H_2S, H_2O, NF_3, NH_3 and CHCl_3, identify the molecule X with lowest dipole moment value. The number of lone pairs of...
- If the enthalpy of sublimation of Li is 155 kJ mol⁻¹, enthalpy of dissociation of F_2 is 150 kJ mol⁻¹, ionization enthalpy of Li...
- Identify the molecule X with maximum number of lone pairs of electrons (obtained using Lewis dot structure) among HNO_3, H_2SO_4,...
- Given below are statements about some molecules/ions. Identify the CORRECT statements. A. The dipole moment value of NF_3 is...
- Among the following, the CORRECT combinations are : A. IF_3 T-shaped (sp^3d) B. IF_5 Square pyramidal (sp^3d^2) C. IF_7...
- Pair of species among the following having same bond order as well as paramagnetic character will be-
- Given below are two statements: Statement I: The number of species among BF_4^-, SiF_4, XeF_4 and SF_4, that have unequal E-F...
- The number of molecules/ions that show linear geometry among the following is _______ . SO2, BeCl2, CO2, N_3^-, NO2, F2O, XeF2,...
- Arrange the following compounds in increasing order of their dipole moment : HBr, H_2S, NF_3 and CHCl_3
- The bond dissociation enthalpy of X_2 H^ _ bond calculated from the given data is _____ kJ mol^ -1 . (Nearest integer) M^+X^-(s)...
- Match the LIST-I with LIST-II List-I (Classification of molecules based on octet rule): (A) Molecules obeying octet rule (B)...
- Which of the following linear combination of atomic orbitals will lead to formation of molecular orbitals in homonuclear diatomic...
- Which of the following statement is true with respect to H_2O, NH_3 and CH_4? A. The central atoms of all the molecules are...
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