101 questions from this paper that are in the bank. Each opens with its answer and explanation.
ABC26IN0013 · The reaction of IO3-with I-in aqueous acidic medium results in · Acid and Bases – General
ABC26IN0014 · Among the following reactions, those that are feasible in liquid NH3 are arrayl (I) KNO3 + AgCl KCl + AgNO3 \\ (II) NH4Br + KNH2 KBr + 2NH3… · Acid and Bases – General
ABC26IN0015 · The cations formed upon dissolving SnF4 and AuF3 in liquid BrF3 separately, respectively are · Acid and Bases – General
ABC26IN0020 · The role of H3PO4 in the estimation of Fe (II) with K2Cr2O7 using diphenylamine sulphonate as indicator is to · Analytical Chemistry – General
ABC26OR0061 · In the following equilibrium, conformer B is more stable than A when R is · General Organic Chemistry – General
ABC26OR0062 · The relationship between A and B is A B · Stereochemistry R S E Z
ABC26OR0063 · The most stable conformation of the following molecule is: · Conformational Analysis
ABC26OR0117 · Reaction of deoxymonosaccharide A with 2 equivalents of HIO4 affords propanedial, formic acid and formaldehyde. The structure of A is · Natural Products – General
ABC26OR0157 · The major product formed in the following reaction is: Delta · Pericyclic Reactions – General
ABC26OR0168 · The major product formed in the following reaction is: · Photochemical Reactions – General
ABC26PH0011 · the term symbol for ground state dinitrogen cation radical ( N2+) is · Term Symbols Atoms
ABC26PH0046 · Photochemistry of a molecule, M, is described as by the mechanism The intercept at [Q]=0 is 4 for the inverse of fluorescence intensity… · Chemical Kinetics – General
ABC26PH0074 · If the overpotential of an electrolysis process is increased from 0.5 V to 0.6 V , then the ratio of current densities ( J0.6J0.5 ) of the… · Electrode Kinetics
ABC26PH0118 · The Berge-Sponer plot between Delta Gv+1/2=(+1-) and (v+1) for CO ia a straight line with slope of -14\,cm-1 and intercept of 2170\,cm-1… · Rotational
ABC26PH0192 · 1.5T and 7.0 T are N' and N, respectively. The value of NN in ( gamma , h, k, T are gyromagnetic ratio of the proton, Planck's constant… · Partition Functions
ABC26PH0209 · The populations of proton spins in the highest energy level of a sample in magnetic fields of 1.5T and 7.0 T are N' and N, respectively… · Statistical Thermodynamics – General
ABC26PH0249 · One mole of a mono-atomic ideal gas is transformed from 300 K and 2 atm to 600 K and 4 atm . The entropy change for this process is · Laws State Functions
ABC26PH0250 · A non-ideal gas, follows the equation P=R TVm [1+BVm ] where B is a function of temperature only. The deviation in internal energy from… · Laws State Functions
ABC26PH0251 · The chemical potential ( mu ) of a 2 molar Na2SO4 solution is expressed in terms of mean ionic activity co-efficient () as · Partial Molar Quantities
ABC26IN0817 · The reaction of IO3-with I-in aqueous acidic medium results in · Acids & Bases – General
ABC26IN0818 · Among the following reactions, those that are feasible in liquid NH3 are arrayl (I) KNO3+AgCl KCl+AgNO3 \\ (II) NH4Br+KNH2 KBr+2NH3 \\… · Acids & Bases – General
ABC26IN0819 · The cations formed upon dissolving SnF4 and AuF3 in liquid BrF3 separately, respectively are · Acids & Bases – General
ABC26IN0828 · The role of H3 PO4 in the estimation of Fe (II) with K2 Cr2 O7 using diphenylamine sulphonate as ndicator is to · Analytical Chemistry – General
ABC26IN0829 · Incorrect statement for amperometric titration is · Titrations Gravimetry
ABC26IN0907 · The metal transferred by bacteria and fungi using siderophores/siderochromes is · Metal Toxicity Medicine
ABC26IN0908 · The correct match for the compounds in Column-I with the property in Column-II is · Bioinorganic Chemistry – General
ABC26IN0909 · Consider the following statements with respect to Cytochrome P-450 (A) It has histidine coordinated to iron centre (B) It is a membrane… · Zinc Enzymes
ABC26IN0910 · Consider the following transformation, reactions in the context of co-enzyme mathrmB12 (A) 1,2-Carbon shift (B) Hydration of mathrmCO2 (C)… · Bioinorganic Chemistry – General
ABC26IN0973 · Among the following, the correct statement about pi -molecular orbitals ( pi -MOs) of benzene is · Chemical Bonding – General
ABC26IN0974 · Match the appropriate geometry on the right with each of the speices on the left · VSEPR Geometry
ABC26IN1123 · Self-exchange electron transfer is fastest in · Electron Transfer Redox
ABC26IN1124 · Consider the following reaction: Hg2+(aq)+X-(aq)=[HgX]+(aq) The stability constants for [HgX]+(aq) for X=F, Cl and Br follow the order · Stability Chelate Effect
ABC26IN1125 · The correct set of information is · Coordination Chemistry – General
ABC26IN1126 · Consider the following statements regarding electronic spectra of high spin complexes arrayl (A) Ti3+ complexes exhibit one sharp band. \\… · Electron Transfer Redox
ABC26IN1127 · Hydrolysis of trans-[CoLCl(en)2]+ (L = NO2-, NCS-, OH-, Cl-) results in a product (A). The tendency to form cis-isomer of the product (A)… · Coordination Chemistry – General
ABC26IN1128 · Donor mode of NO ligand depends on the metal. Now, consider the following complexes (in gaseous state). arrayl (A) [IrCl(CO)(PPh3)2(NO)]+… · Molecular Orbital Ligand Field
ABC26IN1129 · An aqueous solution of metal ion (A) gives a blood-red colored product (B) upon reaction with KSCN. Upon dropwise addition of NaF, the… · Reaction Mechanisms Substitution
ABC26IN1130 · Correct order of molar extinction coefficient values of the visible absorption bands for the following species is · Coordination Chemistry – General
ABC26IN1131 · The correct statement about base hydrolysis of [Co(py)4 Cl2 ]+(py-pyridine) is · Reaction Mechanisms Substitution
ABC26IN1132 · FeCr2 O4 and NiGa2 O4 have normal and inverse spinel structures, respectively. The correct statement is · Coordination Chemistry – General
ABC26IN1133 · The correct match of spin-only magnetic moment for the complexes cis- [Fe(phen)2(NCS-N)2 ] (A) and [Fe(phen)3 ]Cl2 (B) at 300 K is (phen… · Coordination Chemistry – General
ABC26IN1134 · In the electronic spectrum of [IrBr6 ]2-, the number of charge transfer band(s) and their origin are respectively · Electron Transfer Redox
ABC26IN1135 · For the given reaction [ * Co(L)n ]2++ [Co(L)n ]3+ [ * Co(L)n ]3++ [Co(L)n ]2+ the correct statement with respect to the rate of electron… · Electron Transfer Redox
ABC26IN1136 · The number of geometrical isomers of the complex [RhH(C CR)2 (PMe3 )3 ] is · Coordination Chemistry – General
ABC26IN1137 · I2 is violet in the solid as well as in gas phase. However in acetone or ethanol, it turns brown. Choose the correct statement(s) for this… · Charge Transfer Spectra
ABC26IN1138 · The pair of compounds in which both members show LMCT band in their electronic spectra is · Electron Transfer Redox
ABC26IN1139 · For the d3 electron configuration, the ground state term symbol is · Electron Transfer Redox
ABC26IN1140 · The products A and B for the given reaction [Co (NH3 )5 Cl ]2++ [Cr (OH2 )6 ]2++5 H3 O+ A+B are respectively, · Reaction Mechanisms Substitution
ABC26IN1141 · The number of expected electronic transitions in [Cr(en)3 ]3+ and trans- [Cr(en)2 F ]+ at 4 K is, respectively (en = ethylenediamine) · Electron Transfer Redox