ABC26IN0489 · Statement: The characteristic spectroscopic feature of the quadruply bonded [Re2 Cl8 ]2- is a strong royal blue colour Reason: This is due… · Organometallic Compounds – General
ABC26IN0490 · [Co(CO)4 ] is isolobal with · Organometallic Compounds – General
ABC26IN0491 · The CORRECT order of the CO stretching vibrational frequency is · Organometallic Compounds – General
ABC26IN0492 · W(CO)6 reacts with MeLi to give an intermediate which upon treatment with CH2 N2 gives compound X. X is represented as · 18 Electron Rule
ABC26IN0493 · Considering the quadrupolar nature of M - M bond in [Re2 Cl8 ]2-, the M-M bond order in [Re2 Cl4 (PMe2 Ph )4 ]+and [Re2 Cl4 (PMe2 Ph )4 ]… · Organometallic Compounds – General
ABC26IN0494 · In the complex, [Ni2 (5-Cp )2(CO)2 ], the IR stretching frequency appears at 1857 cm-1 (strong) and 1897 cm-1 (weak). The valence electron… · Organometallic Compounds – General
ABC26IN0495 · The correct classification of [B5 H5 ]2-, B5 H9 and B5 H11 respectively is · Organometallic Compounds – General
ABC26IN0496 · In the reaction shown bnelow, X and Y respectively are Mn2(CO)10 Na(X) CH3 COCl(Y) · Organometallic Compounds – General
ABC26IN0497 · The catalyst used in the conversion of ethylene to acetaldehyde using Wacker process is · Cluster Compounds Wade Rules
ABC26IN0498 · Zeise's salt is represented as · Organometallic Compounds – General
ABC26IN0499 · Metal-metal quadruple bonds are well-known for the metal · Metal Carbonyls
ABC26IN0500 · The Bronsted acidity of boron hydrides follows the order · Organometallic Compounds – General
ABC26IN0501 · White phosphorus, P4, belongs to the · Organometallic Compounds – General
ABC26IN0502 · The number of M-M bonds in Ir4(CO)12 are · Organometallic Compounds – General
ABC26IN0503 · Schrock carbenes are · Carbene Carbyne
ABC26IN0504 · For the compound the stereochemical notations are · Organometallic Compounds – General
ABC26IN0505 · The correct order of vco for the compounds [Mo(CO)3 (NMe3 )3 ], [Mo(CO)3 (P(OPh)3 )3 ], [Mo(CO)3(PMe)3 ], [Mo(CO)3 (PCl3 )3 ] in the IR… · Cluster Compounds Wade Rules
ABC26IN0506 · In the reaction, Ph3 P MeI[X] n-BuLi[Y], the compounds X and Y, respectively are · Cluster Compounds Wade Rules
ABC26IN0507 · The compounds M and N , respectively, are · Cluster Compounds Wade Rules
ABC26IN0508 · The compounds O and P , respectively, are · Cluster Compounds Wade Rules
ABC26IN0509 · The number of 'framework electron pairs' present in the borane cluster [B12 H12 ]2- is: · Organometallic Compounds – General
ABC26IN0510 · The reaction between [PdCl4 ]2- and C2 H4 produces a new compound. Compare to free C2 H4, the C-C bond order of the product is: · Organometallic Compounds – General
ABC26IN0511 · Structurally nickellocene is similar to ferrocene. Nickellocene attains stability due to the formation of · Cluster Compounds Wade Rules
ABC26IN0512 · The total number of metal-metal bonds in Ru3(CO)12 and Co4(CO)12, respectively, is · Metal Carbonyls
ABC26IN0513 · The product of the reaction between CH3 Mn(CO)5 and 13 CO is: · Organometallic Compounds – General
ABC26IN0514 · The number of terminal carbonyl groups present in Fe2(CO)9 is · Organometallic Compounds – General
ABC26IN0515 · An intermediate formed during the hydroformylation of olefins using Co2(CO)8 as catalyst is · Organometallic Compounds – General
ABC26IN0516 · Decarbonylation reaction of [cis- (CH3 CO ) Mn ( 13 CO )(CO)4 ] yields X, Y and Z, where X= [(CH3) Mn(CO)5 ]; Y= [cis-(CH3) Mn ( 13 CO )… · Organometallic Compounds – General
ABC26IN0517 · According to polyhedral electron count rule, the structure of Rh6(CO)16 is: · 18 Electron Rule
ABC26IN0518 · An example of nido-borane from the following is · Organometallic Compounds – General
ABC26IN0519 · The reaction of [Cp2 TaMe2 ] I (Cp=C5 H5- )with NaOMe yields. · Organometallic Compounds – General
ABC26IN0520 · Amonst the following, the metal carbonyl species having the highest vCO stretching frequency is · Metal Carbonyls
ABC26IN0521 · The correct order of thermal stability for the given compounds is · Cluster Compounds Wade Rules
ABC26IN0522 · In Monsanto acetic acid process shown below, the role of HI is CH3 OH+CO [180 C, 30 bar ]Rh() catlyst/HI CH3 CO2 H · Cluster Compounds Wade Rules
ABC26IN0523 · An efficient catalyst for hdrogenation of alkenes is [Rh (PPh3 )3 Cl ]. However, [Ir (PPh3 )3 Cl ] does not catalyze this reaction, because · Metal Alkene Alkyne
ABC26IN0524 · When one CO group is replaced by PPh3 in [Cr(CO)6 ], which one of the following statement is TRUE? · Organometallic Compounds – General
ABC26IN0525 · [CpMoCl2]2 obeys the 18 electron rule. The correct structure of this compound is (atomic number of Mo = 42) · 18 Electron Rule
ABC26IN0526 · Among the given boranes and heteroboranes, the example which belongs to 'closo' type is · Cluster Compounds Wade Rules
ABC26IN0527 · The hapticity of cycloheptatriene, (C7 H8 ), in Mo (C7 H8 )(CO)3 is ____ · Organometallic Compounds – General
ABC26IN0528 · The structure type and shape of the polyhedral (skeletal) framework of the carborane Me2 C2 B10 H10, respectively, are · Organometallic Compounds – General
ABC26IN0529 · Based on Wade's rule, the structure-type of [B5 H8 ]-is · 18 Electron Rule
ABC26IN0530 · The reaction of equimolar quantities of Fe(CO)5 and OH-gives a complex species X which on further reaction with MnO2 give species Y. X and… · Organometallic Compounds – General
ABC26IN0531 · In the following reaction, the stereochemistry of the major product is predicted by the · Organometallic Compounds – General
ABC26IN0532 · The product obained in the reaction of Mn2(CO)10 with Br2 is · Organometallic Compounds – General
ABC26IN0533 · The correct molecular representation of W(Cp)2(CO)2 is (Cp=cyclopentadienyl) · Cluster Compounds Wade Rules
ABC26IN0534 · The CORRECT statement regarding the substitution of coordinated ligands in Ni(CO)4 and Co(NO)(CO)3 is: (Given: Co-N-O bond is nearly… · Organometallic Compounds – General
ABC26IN0535 · The CORRECT combination of L1 and L2 among H-, NO-, MeCH2- and CO , that will satisfy the 18 electron rule for both metal centers in the… · 18 Electron Rule
ABC26IN0536 · In the following reaction sequence, the structure of B is (Given: atomic number of Mo is 42) · Organometallic Compounds – General
ABC26IN0537 · Among the following, [B12 H12 ]2-, [Ni5(CO)12 ]2-, [C2 B9 H11 ]2-, Rh6(CO)16, Os6(CO)20, B5 H11, B6 H10 the total number of species having… · Cluster Compounds Wade Rules