Description : When a coordination compound CoCl3.6NH3 is mixed with AgNO3, 3 moles of AgCl are precipitated per mole of the compound. Write (i) Structural formula of the complex (ii) IUPAC name of the complex -Chemistry
Last Answer : i) Complex so formed is: CoCl3.6NH3 + AgNO3 → [Co(NH3)6]Cl3 (ii) IUPAC name of complex is: Hexaamminecobalt (III) chloride
Description : Name the following coordination compounds according to IUPAC system of nomenclature :(i) [Co(NH3)4 (H2O)Cl]Cl2 (ii) [CrCl2(en)2]Cl, (en = ethane – 1, 2 – diamine) -Chemistry
Last Answer : (i) [CO(NH3)4 (H2O)Cl]Cl2 Tetraammine aquachlorido cobalt (III) chloride (ii) [CrCl2(en)2]Cl Dichlorobis (ethane-1, 2-diamine) chromium (III) chloride
Description : Compare the following complexes’ with respect to structural shapes of units, magnetic behaviour and hybrid orbitals involved in units : (i) [Ni(CN)4]2- (ii) [NiCl4]2- (iii) [CoF6]3- [At. Nos. : Ni = 28; Co = 27] -Chemistry
Last Answer : (i) [Ni(CN)4]2- Shape : Octahedral outer orbital complex Hybridisation : sp3d2 Magnetic behaviour : Paramagnetic (4 unpaired electrons)
Description : When a co-ordination compound CrCl3.6H2O is mixed with AgNO3, 2 moles of AgCl are precipitated per mole of the compound. Write (i) Structural formula of the complex. (ii) IUPAC name of the complex. -Chemistry
Last Answer : (i) The complex formed on mixing a coordination compound CrCl3.6H2O with AgNO3 is as follows CrCl3.6H2O + AgNO3 → [Cr(H2O5)Cl]Cl2. H2O (ii) Pentaaquachloridochromium (III) chloride monohydrate
Description : Using IUPAC norms write the formulae for the following: (a) Potassium trioxalatoaluminate (III) (b) Dichloridobis(ethane-l, 2-diamine) cobalt (III) -Chemistry
Last Answer : (a) K3[Al(C2O4)3] (b) [Co(Cl)2(en)2]+
Description : Using IUPAC norms write the formulae for the following: (a) Tris(ethane-1,2-diamine) chromium (III) chloride (b) Potassium tetrahydroxozincate(II) -Chemistry
Last Answer : a) [Cr(en)3] Cl3 (b) K2[Zn(OH)4]
Description : Using IUPAC norms write the formulae for the following: (i) Sodium dicyanidoaurate (I) (it) Tetraamminechloridonitrito-N-platinum (IV) sulphate -Chemistry
Last Answer : (i) Na[Au(CN)2] (ii) [Pt(NH3)4 Cl(NO2)] (SO4)
Description : (i) Write down the IUPAC name of the following complex : [CO(NH3)5Cl]2+ (ii) Write the formula for the following complex : Potassium tetrachloridonickelate (II) -Chemistry
Last Answer : i) [CO(NH3)5Cl]2+ IUPAC name : Pentaammine chlorido cobalt (III) ion (ii) Formula of the complex potassium tetrachloridonickelate (II) K2[NiCl4]
Description : (i) Write down the IUPAC name of the following complex : [Cr(NH3)2CI3(en)]Cl (en = ethylenediamine) (ii) Write the formula for the following complex : Pentaamminenitrito-o-Cobalt (III) -Chemistry
Last Answer : (I) [Cr(NH3)2Cl3(en)]Cl IUPAC name : Diammine dichlorido ethylenediamine chromium (III) chloride. (ii) [Co(NH3)5(ONO)]2+
Description : Write the IUPAC name of the complex [Cr(NH3)4Cl2]+. What type of isomerism does it exhibit? -Chemistry
Last Answer : IUPAC name : Tetraamine dichlorido chromium (III) ion. It exhibits geometrical isomerism.
Description : Write IUPAC name of the complex: -Chemistry
Last Answer : Dichloridobis ethylenediamine cobalt (III) ion.
Description : Write IUPAC name of the complex: [CoCl2(en)2]+ -Chemistry
Last Answer : CoCl2(en)2]+: Dichloridobis(ethylenediamine)Cobalt(III)ion.
Description : Write the IUPAC name of the following complex : [CO(NH3)6]3+ -Chemistry
Last Answer : Hexaamminecobalt (III) ion.
Description : Write the IUPAC name for: (CH3)2CHCH(OH)CH2C(CH3)3,identify the functional group and type of compound.
Last Answer : Ans. 2,5,5-trimethylhexan-3-ol, alcohol, secondary alcohol
Description : What is the IUPAC name of the complex [Ni(NH3)6]Cl2? -Chemistry
Last Answer : [Ni(NH3)6]Cl2 IUPAC name : Hexaamminenickel (II) chloride.
Description : Give IUPAC name of the ionization isomer of [Ni(NH3)3NO3]Cl. -Chemistry
Last Answer : IUPAC name : Triammine chlorido nickel (II) nitrate [Ni(NH3)3NO3]Cl
Description : Give IUPAC name of ionization isomer of [Ni(NH3)3NO3]Cl. -Chemistry
Last Answer : IUPAC name : Triammine nitrato nickel (III) chloride
Description : Give two examples of ligands which form coordination compounds useful in analytical chemistry. -Chemistry
Last Answer : Examples : (i) EDTA (Ethylene diamine tetra-acetic acid) (ii) Dimethyl glyoxime (DMG)
Description : Give an example of coordination isomerism. -Chemistry
Last Answer : Example : [Co(NH3)6] [Cr(CN)6] and [Cr(NH3)6] [CO(CN)6]
Description : (3) prevents freezing of petrol Explanation: Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound widely used as an automotive antifreeze and a precursor to polymers. In its pure form, it is ... A mixture of 60% ethylene glycol and 40% water freezes at -45 degree C (- 49 degree F).
Last Answer : Rust is - (1) A mixture of Fe₂O₃ and Fe(OH) ₂ (2) A mixture of FeO and Fe(OH)₂ (3) FeO only (4) A mixture of Fe₂O₃, 3H₂O and FeO
Description : In coordination chemistry there are a veriety of methods applied to find out the structure of complexes. One method involves treating the complex with
Last Answer : In coordination chemistry there are a veriety of methods applied to find out the structure of complexes. One method involves ... A. 2 B. 3 C. 4 D. 1
Last Answer : In coordination chemistry there are a veriety of methods applied to find out the structure of complexes. One method involves ... 0` C. `0.0` D. `3.0`
Last Answer : In coordination chemistry there are a veriety of methods applied to find out the structure of complexes. One method ... BM C. 4.9 BM D. 5.9 BM
Last Answer : In coordination chemistry there are a veriety of methods applied to find out the structure of complexes. One method ... BM C. 4.9 BM D. 1.73 BM
Last Answer : In coordination chemistry there are a veriety of methods applied to find out the structure of complexes. One method ... . `[CoBrCl(en)_(2)Cl.H_(2)O`
Description : The correct IUPAC name of the compound `[Co(NH_(3))_(4)Cl(ONO)]Cl` is :
Last Answer : The correct IUPAC name of the compound `[Co(NH_(3))_(4)Cl(ONO)]Cl` is ... tetraamminecobalt(III) D. Tetraamminechloridonitrito-O-cobalt(III) chloride
Description : Write the metamer of diethyl ether. What is its IUPAC name?
Last Answer : Ans.1-methoxypropane, CH3OCH2CH2CH3 or 2-methoxypropane,CH3OCH(CH3)2
Description : Write the IUPAC of molecule with the formula C3 H8?
Last Answer : Ans. propane
Description : Write the IUPAC name of [CO (NH3 ) 4 B12] 2 [ZnCl4 ].
Last Answer : Ans. Tetraamminedibromocobalt (III) tetrachlorozincate (II)
Description : (a) Write electron dot diagram for chlorine (At No. 17) and calcium (At No. 20). Show the formation of calcium chloride by transfer of electrons. (b) Identify the nature of above compound’and explain three physical properties of such compound. -Chemistry
Last Answer : (b) It is ionic compound. Physical properties 1.It is hard and solid. 2.It has high melting and boiling point. 3.It soluble in water.
Description : In the coordination compound ,`Na_(2)[Pt(CN)_(4)]` the Lewis acids is
Last Answer : In the coordination compound ,`Na_(2)[Pt(CN)_(4)]` the Lewis acids is A. `[Pt(CN)_(4)]^(2-)` B. `Na^(+)` C. `Pt^(2+)` D. `CN^(-)`
Description : Consider the coordination compound , `[Co(NH_(3))_(6)]Cl_(3)`. In the formation of the complex, the species which acts as the Lewis acid is :
Last Answer : Consider the coordination compound , `[Co(NH_(3))_(6)]Cl_(3)`. In the formation of the complex, the species which ... -)` C. `Co^(3+)` D. `NH_(3)`
Description : Write down the IUPAC names of the following compounds :- (A) `CH_(3)-underset(C_(2)H_(5))underset(|)(CH)-overset(CH_(3))overset(|)(CH)-underset(OH)und
Last Answer : Write down the IUPAC names of the following compounds :- (A) `CH_(3)-underset(C_(2)H_(5))underset(|)( ... )=CH-underset(CH_(3))underset(|)(CH)-C-=CH`
Description : For the complex `K_(2)[Cr(NO)(NH_(3))(CN)_(4)],mu=1.73 BM`. (i) Write IUPAC name. (ii) What will be structure ? (iii) How many unpaired electrons are
Last Answer : For the complex `K_(2)[Cr(NO)(NH_(3))(CN)_(4)],mu=1.73 BM`. (i) Write IUPAC name. ... the complex. (vi) What will be the hybridisation of the complex.
Description : Write the IUPAC name of the following compounds.
Last Answer : a) C 2 H 5 OH – Ethanol c) C 4 H 9 OH – Butanol b) C 3 H 7 OH – Propanol d) C 5 H 11 OH – Pentanol
Description : What is IUPAC ?
Last Answer : International Union of Pure and Applied Chemistry is the full form of IUPAC . This body formulates a useful rule for naming organic compounds.
Description : What is the IUPAC name for isoprene? (a) 1,3-pentadiene (b) 2,4-pentadiene (c) 2,3-dimethyl-1, 3-butadiene (d) 2-methyl-1,3-butadiene
Last Answer : 2-methyl-1,3-butadiene
Description : Which of the following statements is false about glyceraldehyde? (a) Its IUPAC name is 1,2-dihydroxypropanal (b) It is isomeric with 1,3-dihydroxypropanone (c) It is optically active (d) It shows mutarotation
Last Answer : It shows mutarotation
Description : What is the IUPAC name for the following structure? CH3CH(CH3)CH2CH(OH)CH3 (a) 4-methyl-2-pentanol (b) 2-methyl-2-hexanol (c) 2-methyl-4-pentanol (d) 2-methyl-3-pentanol
Last Answer : 4-methyl-2-pentanol
Description : Which of the following is a correct name according to the IUPAC rules? (a) 2-Methylcyclohexane (b) 2-Ethyl-2-methylpentane (c) 3,4-Dimethylpentane (d) 3-Ethyl-2-methylpentane
Last Answer : 3-Ethyl-2-methylpentane
Description : Give the IUPAC (pron: I - U - PAY) name of the shortest of the alcohols.
Last Answer : ANSWER: METHANOL
Description : Give the IUPAC (pron: I - U - PAY) name for the straight chain, saturated organic acid containing 10 carbons in an unbranched structure.
Last Answer : ANSWER: DECANOIC ACID
Description : State two reasons to justify that air is a mixture and water is compound. -Chemistry
Last Answer : Air is a mixture because: 1. It contains two or more pure substances. 2. By physical processes, it can be separated into a simpler substance. 3. Its composition is not fixed. Water is a ... composition is fixed and inseparable. 2. It has a definite formula and present in a proportion by mass.
Description : How is the stability of a co-ordination compound in solution decided ? How is the dissociation constant of a complex defined? -Chemistry
Last Answer : Stability of a complex in solution means the measure of resistance to the replacement of a ligand by some other ligand. This stablility can be expressed in terms of equilibrium constant. Let the ... is its tendency to donate electron pair and therefore, more is the stability of the complex.
Description : (a) Explain the formation of ionic compound CaO with electron dot structure. Atomic number of calcium and oxygen are 20 and 8 respectively. (b) Name the constituent metals of bronze. -Chemistry
Last Answer : (b) Bronze is made up of copper and tin
Description : Write short notes on neural coordination? -Biology
Last Answer : answer:
Description : Beryllium does not show coordination more than four, Why ?
Last Answer : Ans Due absence of d Orbitals
Description : What is the coordination number of carbon, in diamond ?
Last Answer : 4 and its unit cell has 8 atoms. [The space lattice of diamond is FCC]
Description : The most common complex ions have octahedral geometry. What is the coordination number of the central ion in an octahedral complex?
Last Answer : ANSWER: SIX