Recently Active Chemistry Questions

1..WHICH IS PARAMAGNETIC--- A. TRIPLET O2 B[.Cu(CN)4]2- C.[Pt(Cl)4]2- ...

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:: Some Conversions :: 1) BromoBenzene -----> 4-MethoxyPhenol (Max. 5 steps) 2) NitroBenzene -----> Meta-nitroPhenol (Max. 4 steps) 3) BenzoicAcid ------> MetaFluoro BenzoicAcid (Max. 3 steps) :: One Simple Qn :: 4) ...

Identify the least table ion among the following A. Li- B. Be- C. B- D. C- ...

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the correct oreder of stability is *Image* .[true/false] ans:::::::true......... why????????????? ...

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which of the following types of bonds are present in CuSO4.5H2O 1.ELECTROVALNT 2..COVALENT 3.COORDINATE (GIVE REASONS) ...

1.what are number of positional isomers of anthracene???? ...

1..ethanol+ KI+Na2CO3→→→yellow ppt.(x) x ?????????? ...

1. what are the no. of stereoisomers of MA3BCD type of complex?????? (give the structures if possible ) ...

atomic sold is made up of A type of atoms occuying BCC posiitons.A guest atom of largest possible size without disturbing original config is palced at (a/2,0,a/4) .where a=side length of cube. Find packing fraction ...

Q1 PCl5 is added to flask containing Cl2 at 1 atm and 500K is sealed where eqb is established.Kp=2 atm.Determine % dissociation of PCl5 if eqb pressure is 3 atm.. Q2 1 mole of N2 and 3 mole of PCL5 are taken in a 100 L flask ...

*Image* this is compound optically active??? ...

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MULTI ANSWER Q1. Which of the following statements are wrong (a) A meso compd has chiral centres but exhibits no optical activity (b) A meso compd has no chiral centres thus are optically inactive (c) a meso compd has molecul ...

which conformation of ethylene glycol is most stable and why???? 1.staggered 2.gauche 3.eclipsed 4.anti conformation ...

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1..for stability of complex compounds we have to consider charge on central atom or whether it is inner or outer orbital complex ...

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1..are oxides of H,Bi,Ga,Tl,Sb,Po AMPHOTERIC ?????? 2.WHICH HAS GREATER IONIC CHARACTER --ZnCO3 OR MgCO3 ????? ...

Identify the correct order of acidic strengths of CO2,CuO,CaO,H2O A. CaO<CuO<H2O<CO2 B. H2O<CuO<CaO<CO2 C. CaO<H2O<CuO<CO2 D. H2O<CO2<CaO<CuO ...

1. write reaction of F2 with water. 2. write the ascending order of boiling pts of H2O,H2S,H2,H2Se,H2Te 3. Is mole fraction constant with change in temperature?if yes,why? 4. what is the promoter in contact process (was there ...

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i had a wierd doubt..y is dsp2 square planar while sp3 is tetrahedral?? ...

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Q1 what happens when stannous sulfide treated with yellow ammonium sulfide ?? Q2 How can Co and NI be separated Q3 How can Cu2+ and Cd2+ be separated ?? ...

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