EDMOW
← Home

Question Archive

Browse 11,701+ previous year questions. No login required.

← Home

All Questions

Showing 20 of 11701 questions

Chemistrycoordination-compounds2019medium
Two complexes [Cr(H2O)6]Cl3 (A) and [Cr(NH3)6]Cl3 (B) are violet and yellow coloured, respectively. The incorrect statement regarding them is :
Chemistrycoordination-compounds2019easy
The following ligand is :
Chemistrycoordination-compounds2019easy
The complex that has highest crystal field splitting energy (), is :
Chemistrycoordination-compounds2019easy
Homoleptic octahedral complexes of a metal ion 'M3+' with three monodenate ligands L1, L2 and L3 adsorb wavelenths in the region of green, blue and red respectively. The increasing order of the ligands strength is :
Chemistrycoordination-compounds2019medium
The total number of isomers for a square planar complex [M(F)(Cl)(SCN)(NO2)] is
Chemistrycoordination-compounds2019medium
A reaction of cobalt (III) chloride and ethylenediamine in a 1 : 2 mole ratio generates two isomeric products A (violet coloured) and B (green coloured). A can show optical activity, but B is optically inactive. What type of isomers does A and B represcent?
Chemistrycoordination-compounds2019easy
Match the metals (column I) with the coordination compound(s)/enzyme(s) (column II) .tg {border-collapse:collapse;border-spacing:0;width:100%} .tg td{font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:black;} .tg th{font-family:Arial, sans-serif;font-size:14px;font-weight:normal;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:black;} .tg .tg-x1hj{font-size:22px;border-color:inherit;text-align:left;vertical-align:top} .tg .tg-nhda{font-size:22px;border-color:inherit;text-align:center} .tg .tg-9d8n{font-size:22px;border-color:inherit;text-align:center;vertical-align:top} .tg .tg-c4o0{font-size:22px;border-color:inherit;text-align:left} (Column I) Metals (Column II) Coordination compounds(s) enzyme(s) (A) Co (i) Wilkinson catalyst (B) Zn (ii) Chlorophyl (C) Rh (iii) Vitamin B12 (D) Mg (iv) Carbonic anhydrase
Chemistrycoordination-compounds2019easy
The number of bridging CO ligand(s) and Co-Co bond(s) in Co2(CO)8, respectively are :
Chemistrycoordination-compounds2019easy
The coordination number of Th in K4[Th(C2O4)4(OH2)2] is : (C2O = Oxalato)
Chemistrycoordination-compounds2019medium
The pair of metal ions that can give a spin only magnetic moment of 3.9 BM for the complex [M(H2O)6]Cl2, is -
Chemistrycoordination-compounds2019easy
The metal d-orbitals that are directly facing the ligands in K3[Co(CN)6] are -
Chemistrycoordination-compounds2019easy
Mn2(CO)10 is an organometallic compound due to the presence of -
Chemistrycoordination-compounds2019medium
The magnetic moment of an octahedral homoleptic Mn(II) complex is 5.9 BM. The suitable ligand for this complex is -
Chemistryionic-equilibrium2019medium
20 mL of 0.1 M H2SO4 solution is added to 30 mL of of 0.2 M NH4OH solution. The pH of the resultant mixture is : [pkb of NH4OH = 4.7].
Chemistryionic-equilibrium2019medium
The molar solubility of Cd(OH)2 is 1.84 × 10–5 M in water. The expected solubility of Cd(OH)2 in a buffer solution of pH = 12 is :
Chemistryionic-equilibrium2019medium
The decreasing order of electrical conductivity of the following aqueous solutions is : 0.1 M Formic acid (A), 0.1 M Acetic acid (B), 0.1 M Benzoic acid (C)
Chemistryionic-equilibrium2019easy
What is the molar solubility of Al(OH)3 in 0.2 M NaOH solution ? Given that, solubility product of Al(OH)3 = 2.4 × 10–24 :
Chemistryionic-equilibrium2019medium
The pH of a 0.02 M NH4Cl solution will be : [given Kb (NH4OH) = 10–5 and log 2 = 0.301]
Chemistryionic-equilibrium2019medium
Consider the following statements (a) The pH of a mixture containing 400 mL of 0.1 M H2SO4 and 400 mL of 0.1 M NaOH will be approximately 1.3 (b) Ionic product of water is temperature dependent. (c) A monobasic acid with Ka = 10–5 has pH = 5. The degree of dissociation of this acid is 50 %. (d) The Le Chatelier's principle is not applicable to common-ion effect. The correct statements are :
Chemistryionic-equilibrium2019easy
If solublity product of Zr3(PO4)4 is denoted by Ksp and its molar solubility is denoted by S, then which of the following relation between S and Ksp is correct ?
PreviousPage 427 of 586 (11701 questions)Next