111 questions from this paper that are in the bank. Each opens with its answer and explanation.
ABC26IN0001 · In the reactions (A) and (B), arrayl n(H2O) + Cl^- [Cl(H2O)n]- ..... (A) \\ (H2O)6 + Mg2+ [Mg(H2O)6]2+ ...... (B) array water behaves as · Lewis Bronsted
ABC26IN0056 · The size of the d orbitals in Si, P, S and Cl follows the order. · Chemical Bonding – General
ABC26IN0057 · The strength of P pi -d pi bonding in E-O (E = Si, P, S and Cl) follows the order · Hydrogen Bonding Weak Interactions
ABC26IN0058 · The decreasing order of dipole moment of molecules is · Dipole Moment Polarity
ABC26IN0159 · The metal complex that exhibits a triplet as well as doublet in its 31P NMR spectrum is · Inorganic Spectroscopy – General
ABC26OR0012 · The IUPAC name of the compound given below is: · Nomenclature Polycyclics
ABC26OR0013 · Epoxidation of (R)-cyclohex-2-enol with peracetic acid yields a 95:5 mixture of compounds A and B. Compounds A and B are · Stereochemistry R S E Z
ABC26OR0077 · Among the following, the amino acid which is basic in nature is: · Amino Acids Peptides
ABC26OR0194 · The major product formed in the following reaction is: · Named Reactions
ABC26OR0195 · The major product formed in the following reaction is: · Named Reactions
ABC26OR0196 · The major product formed in the following reaction is: · Named Reactions
ABC26OR0197 · The major product formed in the following reaction is: · Named Reactions
ABC26OR0198 · The structure of the tricyclic compound formed in the following two step sequence is · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0199 · The intermediate A and the major product B in the following reaction are · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0200 · For the following two reactions A and B, the correct statement is: · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0201 · The major compound B formed in the reaction sequence given below exhibited a carbonyl absorption band at 1770 cm-1 in the IR spectrum. The… · Carbonyl Chemistry
ABC26OR0202 · The major product formed in the following reaction is: · Named Reactions
ABC26OR0203 · The major products A and B in the following reaction sequence are · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0204 · The major product formed in the following reaction is: · Named Reactions
ABC26OR0205 · The major products A and B in the following reaction sequence are · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26OR0206 · The major products A and B in the following reaction sequence are · Reagents, Reaction Mechanisms & Named Reactions – General
ABC26PH0052 · The molar conductivities at infinite dilution for Na2 SO4, K2 SO4, KCl, HCl and HCOONa at 300 K are 260,308,150,426 and 105 S cm-1 mol-2… · Electrochemistry – General
ABC26PH0053 · The correct value of E , of a half cell in the following graph of E vs m (molality) is: · Electrochemistry – General
ABC26PH0196 · The relative population in two states with energies E1 and E2 satisfying Boltzmann distribution is given by n1 / n2=(3 / 2) [- (E1-E2 ) /… · Statistical Equilibrium
ABC26PH0197 · The energy levels of the harmonic oscillator (neglecting zero point energy) are (n)= nhv and n=0,1,2, . Assuming T partition function is : · Partition Functions
ABC26PH0198 · The correct entropy for 6 identical particles with their occupation number 0,1,2,3 in four steps is : · Statistical Thermodynamics – General
ABC26PH0228 · The vapour of a pure substance, when cooled under a pressure less than its triple-piont pressure, · Thermodynamics – General
ABC26IN0800 · In the reactions (A) and (B), arrayl n(H2O) + Cl- [Cl(H2O)n]- (A) \\ (H2O)6 + Mg2+ [Mg(H2O)6]2+ (B) array Water behaves as · Acids & Bases – General
ABC26IN0801 · In the following reactions carried out in liquid NH3 arrayl Zn (NH2 )2+2 KNH2 K2 [Zn (NH2 )4 ] \\ K2 [Zn (NH2 )4 ]+2 NH4 NO3 Zn (NH2 )2+2… · Acids & Bases – General
ABC26IN0850 · The spectrophotometric response for the titration of a mixture of Fe3+ and Cu2+ ions against EDTA is given below. The correct statment is: · Analytical Chemistry – General
ABC26IN0857 · The oxidation state of iron in met-hemoglobin is · Oxygen Carriers Hemoglobin
ABC26IN0858 · The changes (from A-D given below) which occur when O2 binds to hemerythrin are arrayl (A) One iron atoms is oxidized \\ (B) Both the iron… · Iron Sulfur Proteins
ABC26IN0859 · In the photosynthetic systems the redox metalloproteins involved in electron transfer are cytochrome (cyt, b), cytochrome bf complex (cyt… · Iron Sulfur Proteins
ABC26IN0929 · The size of the d orbitals in Si, P, S and Cl follows the order. · Chemical Bonding – General
ABC26IN0930 · The strength of P pi -d pi bonding in E-O(E=Si, P, S and Cl) follows the order · Hydrogen Bonding Weak Interactions
ABC26IN0931 · The decreasing order of dipole moment of molecules is · Dipole Moment Polarity
ABC26IN1004 · As a ligand Cl- is: · Molecular Orbital Ligand Field
ABC26IN1005 · The correct d-electron configuration showing spin-orbit coupling is · Electron Transfer Redox
ABC26IN1006 · The nucleophilic attack on olefins under mild conditions: · Electron Transfer Redox
ABC26IN1007 · The number of spin-allowed ligand field transitions for octahedral Ni (II) complexes with 3A2g, ground state is: · Molecular Orbital Ligand Field
ABC26IN1008 · The number of microstates for d5 electron configuration is: · Electron Transfer Redox
ABC26IN1009 · The set of allowed electronic transitions among the following is: (A) 4 Sigma 2 (B) 3 Sigma 3 (C) 1 Delta 1 Delta (D) 2 2 (E) 3 Sigma 3… · Electron Transfer Redox
ABC26IN1158 · If Mössbauer spectrum of Fe(CO)5 is recorded in the presence of a magnetic field, the original spectrum with two lines changes into the one… · Magnetic Measurements
ABC26IN1159 · The metal complex that exhibits a triplet as well as doublet in its 31P NMR spectrum is · Inorganic Spectroscopy – General
ABC26IN1160 · The total numbers of fine and hyperfine EPR lines expected for octahedral high-spin Mn(II) complexes are respectively ( I=5 / 2 for Mn ) · Inorganic Spectroscopy – General
ABC26IN1161 · The Mossbauer spectra of two iron complexes are shown below. They may arise from (i) highspin iron(III), (ii) high-spin iron(II) and (iii)… · Mossbauer
ABC26IN1200 · The least basic among the following is: · Lanthanides & Actinides – General
ABC26IN1201 · The pair of lanthanides with the highest third-ionization energy is: · Lanthanides & Actinides – General
ABC26IN1202 · The lanthanide(III) ion having the highest partition coefficient between tri-n-butylphosphate and concentrated HNO3 is: · Lanthanides & Actinides – General