Recently Active Inorganic Chemistry Questions

Could be of some help to all --- A chemical reaction is a process in which one set of chemical substances (reactants) is converted into another (products). It involves making and breaking chemical bonds and the rearrangement ...

1) A chemical contained in tea is also contained in the bark of a tree. It is used for making ink removers. that chemical is a) tannic acid b)oxalic acid c)carbonate d) cellulose 2)which of the following cannot dissolve in ca ...

*Image* but i thgt answer is Na+ > Mg+2 > Li + > Be+2 isn't it ??? ...

1.What exactly is meant by BACK BONDING ? 2.What is Perhydrol ? 3.PBr4 and PI4 doesnot exist according to my theory book and reason given is that Pb4+ is a strong oxidant and Br- and I- are strong reductants [ and so Pb4+ can ...

Is corrosion an electrochemical phenomena ??/ The IUPAC name of the compound with the structural formula CH3 - CH = CH - C *Image* CH is (A)pent-2-ene-4-yne (B)pent-1-yne-3-ene ...

Q. A solution containing 2.675g of CoCl3. 6NH3 (molar mass = 267.5 g/mol) is passed through a cation exchanger. The chloride ions obtained in solution were treated with excess of AgNO3 to give 4.78g of AgCl(molar mass = 143.5 ...

second ionization enthalpy of Cl>S.why? ...

1 ) wht is the order of thermal stability nd solubility of Be(OH)2 , Mg(OH)2 , Ca(OH)2 , Sr(OH)2 , Ba(OH)2 ...

1..IN WHICH OF THE FOLLOWING BONDS re not equal 1.SF4 2.SiF4 3.XeF4 4..BF4 GIVE EXPLANATION [2] ...

1..AN IDEAL GAS IS ALLOWED TO EXPAND both reversibly and ireversibly in an isolated system ,if Ti INITIAL AND TF FINALL TEMP. , WHICH OF THE FOLLOWING STATEMENTS IS CORRECT ..?? A.(Ti)REV. >TF IREV. B..Tf>Ti FOR REVERSI ...

..select correct statement ------ 1..NH3 is more soluble in aq. NH4Cl than in pure water 2..solid amm. fluoride and ice are miscible in water in all propartions..... (give explanation[98] ...

1..formula for complex is (Co4)Co- (Co4)Co,in which there is single Co-Co bond is . a.Co2(Co)8 b.Co2(Co)10 ...

Generally people miiss out chapters like surface che, and all but there can be conceptual questions too. e.g. Q)explain why there would be no observable " Tyndall Effect" when diameter of dispersed particle is much smaller th ...

Arrange the following in increasing order of extent of hydrolysis (A) PCl3 > AsCl3 > SbCl3 > BiCl3 (B) PCl3 > AsCl3 > BiCl3 > SbCl3 (C) BiCl3 > SbCl3 > AsCl3 > PCl3 (D )BiCl3 > SbCl3 > AsCl3 â ...

Q1. multi: cooloidal gold can be prepared by (a) bredig's arc method (b) reduction of AuCl3 (c) hydrolysis (d) peptization Q2. multi: Select correct statements (a) Buring carbylamine rkn, intermediate is carbene (b) During Do ...

Number of S-S bond present in P4S3 is ___. Can we do this if we dont know the structure ? ...

Q1. The most stable complex is (a) [Cu(NH3)6]2+ (b) [Cu(NH3)4en]2+ (c) [Cu(NH3)2(en)2]2+ (d) [Cu(en)3]2+ ans given (c) Q2. Choose correct statement (a) *Image* on oxidation with HIO4 gives cyclopentanone and formaldehyde (b) ...

\begin{matrix} \textup{Column I} & \textup{Column II} \\ \textup{(a) Stability of complex}&\textup{(p) Electronic configuration of metal/metal ion} \\ \textup{(b) shape of complex} & \textup{(q) chelation effect}\\ \textup{(c ...

Q1 [CoCl2(NH3)4]+ + Cl- → [CoCl3(NH3)3] +NH3 If the product shows only one type of isomer then reactant must be trans ..is my conclusion correct ?? Q2 Cu+ exists as s1d9 or d10 ?? ...

1)dissolution process is endothermic 2)during dissolution there is interactions between H2O and there the dissolving chemical or bonds are formed.......whenevr bonds are formed energy is released assert if 1) or 2) both is tr ...

Which species is not coloured ? (a) Ni(DMG)2 (b) [Co(SCN)4]2- (c) [Fe(H2O)5SCN]2+ (d) [Al(OH)4]- ...

Which Nitrogen oxide does not have a coordinate bond ?? Its NO right ? ...

1) FeCl3 +SO2 → 2)Fe2O3 +NaOH +Cl2 → 3)CuSO4.5H2O +KCN(excess)→ will add more later.... ***not my doubts....just some exception reactions *** ...

1. Which of the following statements is not correct ? (a). Pure para hydrogen can be obtained by cooling ordinary hydrogen to about 20 K. (b). The ratio of ortho and para hydrogen at 300 K and above is 3 : 1. (c). The ratio o ...

1. Which of the following statements is false ? (a) Saline hydrides are stoichiometric compounds. (b) Ionic hydrides are crystalline,non-metallic and non-conducting in solid state. (c) The melts of ionic hydride are non-condu ...

Q1 T/F [Co(NH3)6]Cl3 gives 2 moles of Cl– which react with AgNO3 to form 2 moles of AgCl. Q2Which of the following exist as dimer (A) Al(CH3)3 (B) CH3Li (C) Si(CH3)4 (D) Be(CH3)2 Q3Formation of complex involves (A) exotherm ...

Q1. Zero magnetic moment of K2NiF6 is due to (a) Low spin Ni(IV) d6 (b) High spin Ni(IV) d6 (c) Low spin/ high spin not applicable (my option) I feel that question is wrong as given in JD LEE that the compound is intensely ye ...

1. When XeF2 and AsF3 react and form adduct,the hybridisation of Xe and As in adduct are respectively ________,_______ ?? 2. When DEVARDA's alooy is treated with nitrates in the presence of alkali the gas evolved is (a) NO (b ...

What is the shape of I3- ? What is the geometry of I3- ? When do we write TBP and when linear,i.e in which case we consider l.p's ? ...

use of socl2 is a better approach 2 convert an alcohol 2 alkly chloride with compared 2 use of pcl5 --- please justify !!! ...