ABC26IN0945 · The delta -bond is formed via the overlap of · DEC 2014self-practice
ABC26IN0946 · For the oxidation state(s) of Sulphur atoms in S2O, consider the following A. -2 and +4 B. 0 and +2 C. +4 and 0 The correct answer(s)… · DEC 2014
ABC26IN0947 · The geometries of [Br3 ]+and [I5 ]+respectively, are · JUNE 2015
ABC26IN0590 · The formal charges on the nitrogen atom from left to right in the azide anion, [N=N=N]-are · 2005-2022
ABC26IN0591 · The V-shape of SO2 is due to the presence of · 2005-2022
ABC26IN0949 · The molecule C3 O2 has a linear structure. This compound has · DEC 2015
ABC26IN0065 · Among the following, species expected to show fluxional behaviour are (A) [NiCl4]2- (tetrahedral) (B) IF7 (pentagonal bipyramidal) (C)… · 2011-2020
ABC26IN0066 · The correct statement among the following is · DEC 2015
ABC26IN0593 · The overlap between the atomic orbitals sketched below is: · 2005-2022
ABC26IN0951 · The correct statement among the following is · DEC 2015
ABC26IN0594 · Which one of the following species is NOT isoelectronic with CN-? · 2005-2022
ABC26IN0952 · The number of lone pair(s) of electrons on the central atom in [BrF4 ]-, XeF6 and [SbCl6 ]-are respectively · DEC 2015
ABC26IN0595 · The shape of CH3 -ion is: · 2005-2022
ABC26IN0953 · The ground state electronic configuration of C2, using all electron is · DEC 2015
ABC26IN0954 · Correct combination for pi and pi * orbitals in B2 molecule is · JUNE 2016
ABC26IN0597 · The average value of C-C bond in graphite is: · 2005-2022
ABC26IN0956 · The number of 3c-2e bonds present in Al (BH4 )3 is- · JUNE 2016
ABC26IN0957 · The expected H-H-H bond angle in [H3 ]+is · JUNE 2016
ABC26IN0067 · The oxidation state of gold in the following complex is · DEC 2016
ABC26IN0068 · The numbers of triangular faces in square antiprism, icosahedron and tricapped trigonal prism (capped on square faces), respectively, are · DEC 2016
ABC26IN0959 · The numbers of triangular faces in square antiprism, icosahedron and tricapped trigonal prism (capped on square faces), respectively, are · JUNE 2016
ABC26IN0069 · Among ClO3, XeO3 and SO3, species with pyramidal shape is/are? · DEC 2017
ABC26IN0961 · Among ClO3, XeO3 and SO3, species with pyramidal shape is/are? · DEC 2017
ABC26IN0070 · Geometries of SNF3 and XeF2 O2 respectively, are · DEC 2017
ABC26IN0962 · Geometries of SNF3 and XeF2 O2 respectively, are · DEC 2017
ABC26IN0966 · Removal of an electron form NO molecule results in A. An increase in the (NO) in the IR spectrum B. An EPR active species C. Electrons in… · JUNE 2018
ABC26IN0968 · Identify the correct statements about the electro negativity of groups given below: · JUNE 2018
ABC26IN0970 · The characters of LUMO and CN-and O2 respectively, are · DEC 2018
ABC26IN0971 · Arrange the following molecules in order of increasing fundamental vibrational frequencies · DEC 2018
ABC26IN0973 · Among the following, the correct statement about pi -molecular orbitals ( pi -MOs) of benzene is · JUNE 2019
ABC26IN0072 · The ion having the highest bond order is · DEC 2019self-practice
ABC26IN0073 · The magnitude of bond angles in gaseous NF3, SbF3 and SbCl3 follow the order · DEC 2019self-practice
ABC26IN0976 · The magnitude of bond angles in gaseous NF3, SbF3 and SbCl3 follow the order · DEC 2019
ABC26IN0978 · Choose the correct order of energy of 2 and 1 0 molecular orbitals for B2, C2 and O2 : · DEC 2019
ABC26IN0074 · Consider the following statements for Allred-Rochow electronegativity (): (i) is directly proportional to Zeff (ii) is inversely… · DEC 2019
ABC26IN0980 · Consider the following statements for Allred-Rochow electronegativity (AR): (i) AR is directly proportional to Z_ eff (ii) AR is inversely… · DEC 2019
ABC26IN0981 · The total bond order between adjacent carbon atoms of benzene is · DEC 2019
Dipole Moment Polarity
ABC26IN0568 · Consider the following four xenon compounds: XeF2, XeF4, XeF6 and XeO3 The pair of xenon compounds expected to have non-zero dipole moment… · 2005-2022
ABC26IN0058 · The decreasing order of dipole moment of molecules is · JUNE 2012
ABC26IN0931 · The decreasing order of dipole moment of molecules is · JUNE 2012
ABC26IN0596 · The fluoride, whose value of dipole moment is not equal to zero, is · 2005-2022
ABC26IN0969 · Among SiCl4, P(O) Cl3, NF3, trans- [SnCl4(py)2 ] (py-pyridine), those with zero dipole moment are · DEC 2018
Hydrogen Bonding Weak Interactions
ABC26IN0318 · The pair of compounds having the same hybridization for the central atom is · 2005-2021
ABC26IN0926 · The number of anti-bonding electrons in NO and CO according to MO theory are respectively. · JUNE 2011
ABC26IN0057 · The strength of P pi -d pi bonding in E-O (E = Si, P, S and Cl) follows the order · JUNE 2012
ABC26IN0325 · The shapes of XeF5+and XeF5-, respectively, are · 2005-2021
ABC26IN0930 · The strength of P pi -d pi bonding in E-O(E=Si, P, S and Cl) follows the order · JUNE 2012
ABC26IN0328 · The shapes of the compounds ClF3, XeOF2, N3- and XeO3F2 respectively, are: · 2005-2021self-practice
ABC26IN0933 · When a hydrogen atom is placed in an electric field along the y-axis, the orbital that mixes most with the ground state 1s orbital is · DEC 2012
ABC26IN0937 · The molecule in which the bond order increases upon addition of an electron · JUNE 2013