21 questions from this paper that are in the bank. Each opens with its answer and explanation.
ABC26IN0039 · Match the metalloproteins in column-A with their function in column-B The correct answer is · Iron Sulfur Proteins
ABC26IN0103 · Reaction of nitrosyl tetrafluoroborate to Vaska's complex gives complex A with angle M-N-O=124°. The complex A and its N-O stretching… · Reaction Mechanisms Substitution
ABC26IN0105 · An aqueous solution of [Mn(H2O)6]+2 complex is pale pink in colour. The probable reasons for it are [CSIR-DEC 2014] (A) Presence of 6A1g… · Charge Transfer Spectra
ABC26IN0106 · Base hydrolysis of [CoCl (NH3)5]2+ is an overall second order reaction, whereas that of [Co(CN)]3- is of first order. The rates depend in… · Reaction Mechanisms Substitution
ABC26IN0107 · In transition metal phosphine (M-PR3) complexes, the back-bonding involves donation of electrons from [CSIR-JUNE 2015] · Electron Transfer Redox
ABC26IN0192 · Reactions of elemental as with hot and conc. HNO3, and H2SO4 respectively, give · Main Group Elements – General
ABC26IN0193 · Chromite ore on fusion with sodium carbonate gives · Main Group Elements – General
ABC26IN0195 · All forms of phosphorus upon melting, exist as · Main Group Elements – General
ABC26IN0196 · The correct set of pseudo halide anions is · Main Group Elements – General
ABC26IN0244 · Amongst the following which is not isolobal pairs · Organometallic Compounds – General
ABC26IN0247 · Complexes HM(CO)5 and [((eta 5-C5H5)M'(CO)3]2 obey the 18-electron rule. Identify M and M' and their 1H NMR chemical shifts relative to TMS. · 18 Electron Rule
ABC26PH0151 · The commutator of the kinetic energy operator, Tx and the momentum operator, px for the one-dimensional case is · Postulates Operators
ABC26PH0152 · Consider a particle confined in a cubic box. The degeneracy of the level, that has an energy twice that of the lowest level, is · Quantum Chemistry – General
ABC26PH0153 · If the ionization energy of H atom is x, the ionization energy of Li+2 is · Quantum Chemistry – General
ABC26PH0154 · Simple Hückel molecular orbital theory · Huckel MO Theory
ABC26PH0155 · A particle in a one dimensional harmonic oscillator in x-direction is perturbed by a potential lambda x (lambda is number). The first-order… · Harmonic Oscillator
ABC26PH0156 · For a particle of mass m confined in a box of length L, assume Delta x=L. Assume further that Delta p(min)= p21/2. Use the uncertainity… · Particle In A Box
ABC26PH0157 · The angular momentum operator Lz=-iħ(∂)/(∂ phi) has eigen functions of the form exp (iA phi). The condition that a full rotation leaves… · Angular Momentum
ABC26PH0158 · A particle in a 1-dimensional box of length L is perturbed by a delta function potential, delta (x - L/2), in the middle of the box. The… · Particle In A Box
ABC26PH0159 · A quantum particle with fixed initial energy Eo < V is allowed to strike the following four barriers separately. The transmission… · Quantum Chemistry – General
ABC26PH0160 · For some one-electron system with l = 0 and m = 0, the functions No e- sigma and N1(2- sigma)e- sigma refer respectively to the ground (Eo)… · Variation Method