85 questions from this paper that are in the bank. Each opens with its answer and explanation.
ABC26IN1190 · In the 31 P \ 1 H \ NMR spectrum of a diamagnetic complex mer- [M (PR3 )3 Cl3 ](M= transitionmetal, I=0 ) expected number of resonance(s) is · Magnetic Measurements
ABC26IN1191 · The 31 P\1 H\ NMR spectrum of cis- [Pt (PEt3 )2 Cl2 ] ( 195 Pt . (33.8\% abundance) I=1 / 2; its other isotopes are (NMR inactive: 31 P… · Inorganic Spectroscopy – General
ABC26IN1192 · Consider the following statements for [FeO4 ]2- arrayl (A) It is stable in the pH range 0-14 \\ (B) It is stable in strongly basic medium… · Mossbauer
ABC26IN1223 · Consider following statements for Eu3+ arrayl (A) The positions of sharp bands in UV-vis spectra of its complexes depend heavily on the… · Lanthanides & Actinides – General
ABC26IN1304 · The reaction of decaborane B10 H14, with acetylene in the presence of Et2 S gives · Main Group Elements – General
ABC26IN1305 · In compound N3 P3 F6, the geometry around nitrogen and phosphorus, respectively, are · Main Group Elements – General
ABC26IN1306 · B2H6 reacts with (A) water to give boric acid and H2 (B) oxygen to give B2O3 and H2 (C) water to give boric acid and H2O (D) oxygen to give… · Main Group Elements – General
ABC26IN1307 · Match the items given in Column-I with those given in Column-II · Main Group Elements – General
ABC26IN1308 · Match the items given in Column-I with those given in Column-II · Main Group Elements – General
ABC26IN1475 · The correct order of acceptor ability of the phosphorus ligands is · Organometallic Compounds – General
ABC26IN1476 · Identify the correct statement(s) for H3B.CO (A) sp2 hybridized orbital of B accepts the lone pair of CO. (B) Its vCO value is more than… · Cluster Compounds Wade Rules
ABC26IN1477 · The product for the reaction given below is IrCl(COE)(PMe3)3 (COE = Cyclooctene) + · Organometallic Compounds – General
ABC26IN1478 · Match the following complexes with their vCO stretching frequency The correct match is · Organometallic Compounds – General
ABC26IN1479 · The VCN in [Fe(CN)6 ]3-(A) and [Fe(CN)6 ]4-(B) and VCO in [Cr(CO)3 (NH3 )3 ](C) and [Cr(CO)6 ](D) are compared below. The pair with correct… · Organometallic Compounds – General
ABC26IN1480 · The cluster type and geometry of the species [Rh9 P(CO)21 ]2- are · Cluster Compounds Wade Rules
ABC26IN1481 · Hydroformylation of 1-propene with [HRh(CO)L2] leads to linear and branched formylated products. The linear hydroformylated product is… · Cluster Compounds Wade Rules
ABC26IN1482 · The hydrocarbon having an analogous structure to that of P4 O6 is · Organometallic Compounds – General
ABC26OR0996 · In IR spectra, the stretching frequency (in cm-1 ) of the carbonyl group of the following compounds is in the order · IR
ABC26OR0997 · Partial spectroscopic data is given below for an organic compound (i) 4 signals between delta 120 - 150 ~ p p m in 13 C ~ N M R spectrum… · Combined Structure Elucidation
ABC26OR0998 · The compound P undergoes a pericyclic reaction under photochemical conditions to give compound Q. In compound Q, the relative… · NMR 1H
ABC26OR1053 · Following reaction is an example of · Sigmatropic Shifts
ABC26OR1082 · The major product formed in the following photochemical reaction is · Photocycloaddition
ABC26PH0872 · Root mean square speed of the molecules of a perfect gas is proportional to · Atomic And Molecular Term Symbols – General
ABC26PH0873 · Entropy of a perfect gas is · Atomic And Molecular Term Symbols – General
ABC26PH1141 · The third and fourth lines in the rotational Raman spectrum of CO are separated by 8 cm-1. The CO bond length is given by · Raman
ABC26PH1193 · The dispersity of a polymeric sample is · Polymer Chemistry – General
ABC26PH1194 · The contour and root mean square length (in nm ) of a polymer chain modelled as a random coil, with N=1000 and =150 pm, are closest to · Polymer Chemistry – General
ABC26PH1358 · In a cubic crystal, the (111) and (222) reflections are observed, but not the (001) reflection. The Bravais lattice is · Crystal Systems Lattices
ABC26PH1359 · A metal crystallizes with cubic close-packed structure. The 2 theta values of Bragg reflections of Miller Planes (200) and (111) are 0.18… · Crystal Systems Lattices
ABC26PH1402 · The free energy [A-A(0)] of a system with 10 non interacting spins (S=I) is · Statistical Thermodynamics – General
ABC26PH1403 · The translational partition function for Ar confined to a volume of 1 L at 300 K , having thermal wavelength of 1.60 1011 m, is closest to : · Partition Functions
ABC26PH1507 · For a closed system in the absence of non-PV work, the correct statement is · Thermodynamics – General
ABC26PH1508 · The volume change in a certain phase transition is 2.0 mL mol-1 at the transition point. From this, we may conclude that the transition is… · Thermodynamics – General
ABC26PH1509 · Consider a phase transition between two incompressible phases. The correct statement among the following is · Laws State Functions
ABC26PH1510 · Entropy of a perfect gas is · Laws State Functions