95 questions from this paper that are in the bank. Each opens with its answer and explanation.
ABC26IN1107 · Br2 with propanone forms a charge transfer complex and I2 forms triiodide anion with I-. This implies that · Charge Transfer Spectra
ABC26IN1108 · Mismatch among the following is · 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): arrayl A. Oxidation states greater than +3 are more frequent in An compared to… · 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 arrayll A. CpCr(CO)2 & B. CpCu \\ C. Ni(CO)2 & D. Cr(CO)4 \\ E. Fe(CO)4 & array · 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
ABC26OR0988 · The organic compound that displays following data is 'H-NMR (400 MHz): delta 7.38 (d), 7.25 (d), 1.29 (s) ppm · NMR 1H
ABC26OR0989 · The correct match of the circled protons in Column P with 1 H NMR chemical shift ( delta ppm) in Column Q is P Q I A. 6.72 II III B. 16.4… · NMR 1H
ABC26OR1050 · (being typed) · Frontier Orbital Analysis
ABC26OR1051 · The following reaction involves · 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… · 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 _A2+0=12.72 mS… · 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
ABC26PH1076 · Given below is a specific vibrational mode of BCl3 with ⊕ and ⊖ denoting movements of the respective atoms above and below the plane of the… · Character Tables
ABC26PH1077 · The molecule with a C 2 axis of symmetry among the following is · Group Theory – General
ABC26PH1078 · A part of the character table of a point group (of order 4) is given below The four characters of 4 are, respectively · Character Tables
ABC26PH1079 · N2O molecule belongs to the point group · Symmetry Elements Point Groups
ABC26PH1080 · The -orbital of ethylene, when placed in the xy -plane with the C=C bond aligned to the x -axis, transforms according to the irreducible… · Character Tables
ABC26PH1081 · The b_1 u b 2 g transition in ethylene is (Use Table 1) · Group Theory – General
ABC26PH1134 · The molecule that will show Raman spectrum, but not IR spectrum, among the following is · Raman
ABC26PH1135 · The normal mode of ethylene represented, by the figure below, is · Vibrational
ABC26PH1136 · The pair that contains a spherical top and a symmetric top, among the following, is · Molecular Spectroscopy – General
ABC26PH1137 · The g-factors of 1 H and 13 C are 5.6 and 1.4 respectively. For the same value of the magnetic field strength, if the 1 H resonates at 600… · Molecular Spectroscopy – General
ABC26PH1191 · A polymer has the following molar mass distribution The calculated number average molar mass ( Mn )of the polymer is · Molecular Weight Averages
ABC26PH1354 · If the atoms/ions in the crystal are taken to be hard spheres touching each other in the unit cell, then the fraction of volume occupied in… · Crystal Systems Lattices
ABC26PH1355 · The separation of the (123) planes of an orthorhombic unit cell is 3.12 nm . The separation of (246) and (369) planes are, respectively, · Crystal Systems Lattices
ABC26PH1399 · The term symbol for the ground state of a metal ion is 3 P2. The residual entropy of a crystal of a salt of this metal ion at 0 K is : · Statistical Thermodynamics – General
ABC26PH1400 · Four distinguishable molecules are distributed in energy level E1 and E2 with degeneracy of 2 \& 3 respectively. Number of microstates with… · Statistical Equilibrium
ABC26PH1501 · Enthalpy is equal to · Laws State Functions
ABC26PH1502 · In stretching of a rubber band, dG=Vdp-SdT+fdL. Which of the following relations in true? · Thermodynamics – General
ABC26PH1503 · One mole of an ideal gas undergoes a cyclic process (ABCDA) starting from point A through 4 reversible steps as shown in the figure. Total… · Thermodynamics – General