60 questions from this paper that are in the bank. Each opens with its answer and explanation.
ABC26IN0011 · The reactions given below, A Cl2 + H2O → HOCl + H3O^+ + Cl^- B Cl2 + 2NH3 → NH2Cl + NH4 + Cl^- are examples of · Acid and Bases – General
ABC26IN0069 · Among ClO3, XeO3 and SO3, species with pyramidal shape is/are? · Chemical Bonding – General
ABC26IN0070 · Geometries of SNF3 and XeF2O2 respectively, are · Chemical Bonding – General
ABC26IN0165 · The number of lines in EPR spectrum of CD3 (ID = 1) is · Inorganic Spectroscopy – General
ABC26IN0166 · In the 31P{1H} NMR spectrum of a diamagnetic complex mer-[M(PR3)3Cl3] (M = transition metal, I = 0) expected number of resonance(s) is · Magnetic Measurements
ABC26OR0052 · The correct order of stability of the following carbocations is (A) (B) (C) · Carbocation Stability
ABC26OR0053 · The number of optically active steroisomers possible for CH3-CH(OH)-CH(OH)-CH(OH)-CH3 is · Stereochemistry R S E Z
ABC26OR0111 · The following natural product Enterodiol is a · Alkaloids
ABC26OR0112 · The structure of ribonucleoside uridine is · Natural Products – General
ABC26OR0354 · Correct sequence of steps involved in the following transformation is · Named Reactions
ABC26PH0044 · The slope and intercept obtained from (1/Rate) against (1/substrate concentration) of an enzyme catalyzed reaction are 300 and 2 × 105… · Enzyme Kinetics
ABC26PH0050 · Repeated measurement of Pb in a lake water sample gave 3.2, 5.2 and 7.2 ppb of Pb. Standard deviation in the measurement of Pb is · Error Propagation
ABC26PH0207 · Four distinguishable molecules are distributed in energy level E1 and E2 with degeneracy of 2 & 3 respectively. Number of microstates with… · Statistical Equilibrium
ABC26PH0244 · Enthalpy is equal to · Laws State Functions
ABC26IN0814 · The reactions given below, A Cl2 + H2O → HOCl + H3O^+ + Cl^- B Cl2 + 2NH3 → NH2Cl + NH4 + Cl Are examples of · Acids & Bases – General
ABC26IN0832 · To determine the bond parameters at 25°C, electron diffraction is generally unsuitable for both · Analytical Chemistry – General
ABC26IN0834 · The peak area of differential thermal analysis curve is proportional to one or more of the following A. mass loss B. mass of the sample C… · Analytical Chemistry – General
ABC26IN0899 · The correct statement for cytochrome c is · Oxygen Carriers Hemoglobin
ABC26IN0901 · The number of inorganic sulfides in cubane like ferredoxin and their removal method, respectively, are · Bioinorganic Chemistry – General
ABC26IN0961 · Among ClO3, XeO3 and SO3, species with pyramidal shape is/are? · Chemical Bonding – General
ABC26IN0962 · Geometries of SNF3 and XeF2O2 respectively, are · Chemical Bonding – General
ABC26IN0963 · According to Bent's rule, for p-block elements, the correct combination of geometry around the central atom and position of more… · VSEPR Geometry
ABC26IN0964 · Allred-Rochow electronegativity of an element is A. directly proportional to the effective nuclear charge B. directly proportional to the… · Hydrogen Bonding Weak Interactions
ABC26IN1102 · For the following complexes, the increasing order of magnetic moment (spin only value) is A. [TiF6]-3 B. [CrF6]-3 C. [MnF6]-3 D. [CoF6]-3 · Coordination Chemistry – General
ABC26IN1103 · The geometry around Cu and its spin state for K3CuF6 and KCuL2, [H2L=H2NCONHCONH2], respectively are: · Coordination Chemistry – General
ABC26IN1104 · Consider the following statements with respect to the base hydrolysis of [CoCl (NH3)5] to [Co (NH3)5(OH)]2+ A. One of the ammonia ligands… · Molecular Orbital Ligand Field
ABC26IN1106 · For high spin and low spin d6 octahedral complexes (ML6), the generally observed spin allowed transitions respectively, are · Coordination Chemistry – General
ABC26IN1107 · Br2 with propanone forms a charge transfer complex and I2 forms triiodide anion with I-. This implies that · Charge Transfer Spectra
ABC26IN1188 · Assuming 1JPH > JPB the expected 31P NMR spectrum of H3P.11BCl3 [for 11B, I = 3/2] is · Inorganic Spectroscopy – General
ABC26IN1189 · The number of lines in EPR spectrum of CD3 (ID=1) is · Inorganic Spectroscopy – General
ABC26IN1219 · Match lanthanides in Column I with their properties in Column II Correct match is · Lanthanides & Actinides – General
ABC26IN1220 · Consider the following statement(s) for actinides (An): A. Oxidation states greater than +3 are more frequent in An compared to lathanides… · Lanthanides & Actinides – General
ABC26IN1297 · The first ionization energy is the lowest for · Main Group Elements – General
ABC26IN1298 · Choose the incorrect statement for the phosphomolybdate anion [PMo12O40]3- · Main Group Elements – General
ABC26IN1330 · Among the following nuclear reactions of thermal neutrons, the cross section is highest for: · Nuclear Reactions Q Value
ABC26IN1462 · In trigonal prismatic ligand field, the most stabilized d orbital is · Organometallic Compounds – General
ABC26IN1463 · Among the following species isolobal to CH2 are A. CpCr(CO)2 B. CpCu C. Ni(CO)2 D. Cr(CO)4 E. Fe(CO)4 · Cluster Compounds Wade Rules
ABC26IN1464 · In the complex [Pd(L-L)(Me)(Ph)], the bisphosphine (L-L) that does not allow reductive elimination of PhMe is · Oxidative Addition Reductive Elimination
ABC26IN1465 · According to Wade's rules, the cluster type and geometry of [Sn9]4-, respectively, are · Cluster Compounds Wade Rules
ABC26OR1051 · The following reaction involves Rh2(OAC)4 (cat.) · Sigmatropic Shifts
ABC26OR1052 · In the following transformation, the mode of electrocyclization A and the major product B are heat B · Pericyclic Reactions – General
ABC26PH0944 · For a sequence of consecutive reactions, A k1 I k2 P, the concentration of I would be, by steady state approximation. · Steady State Approximation
ABC26PH0945 · The slope and intercept obtained from (1/Rate) against (1/substrate concentration) of an enzyme catalyzed reaction are 300 and 2 × 105… · Enzyme Kinetics
ABC26PH0946 · Reaction between A and B is carried out for different initial concentrations and the corresponding half-life times are measured. The data… · Rate Laws Order
ABC26PH0965 · Repeated measurement of Pb in a lake water sample gave 3.2, 5.2 and 7.2 ppb of Pb. Standard deviation in the measurement of Pb is · Error Propagation
ABC26PH1015 · The correct statement among the following is · Electrochemistry – General
ABC26PH1016 · The standard free energy of the reaction AgBr(s) → Ag+(aq) + Br-(aq) Is closest to. [E°(AgBr/Ag,Br-) = 0.07 V; E°(Ag/Ag+) = 0.80 V; F =… · Electrochemistry – General
ABC26PH1017 · Conductivities of water and a saturated solution of a sparingly soluble salt AB2 are 7 and 21 mu S m-1, respectively. Given lambda… · Electrochemistry – General
ABC26PH1074 · The correct relation involving symmetry operations · Symmetry Elements Point Groups
ABC26PH1075 · For a point group, an incomplete character table is given below with one irreducible representation missing The Mulliken symbol and… · Character Tables