Recently Replied Questions

• give reasons
  1.P4 exists but N4 does not...again N2 exists but P2 doesn't...why ?????? ...
  0·6· #Chemistry#Inorganic Chemistry
  replied2010-03-16 22:44:57
• Reasoning + Multiple objective
  1. Statement-1: In diamond carbon atoms occupy alternate tetrahedral voids in the FCC lattice formed by the carbon atoms Statement-2: In diamond, packing fraction ismore than 74%. 2. Which of the following properties of theme ...
  0·8· #Chemistry#Inorganic Chemistry
  replied2010-03-16 22:42:30
• optical isomerism2
  1..... *Image* ...
  0·3· #Chemistry#Organic Chemistry
  replied2010-03-14 23:24:56
• RATE OF DEHYDRATION
  *Image* ...
  0·6· #Chemistry#Organic Chemistry
  replied2010-02-25 08:43:30
• WHICH IS PARAMAGNETIC
  1..WHICH IS PARAMAGNETIC--- A. TRIPLET O2 B[.Cu(CN)4]2- C.[Pt(Cl)4]2- ...
  0·8· #Chemistry#Inorganic Chemistry
  replied2010-02-24 23:18:29
• RATE OF DEHYDRATION
  *Image* ...
  0·6· #Chemistry#Organic Chemistry
  replied2010-02-24 22:55:16
• positional isomer
  1.what are number of positional isomers of anthracene???? ...
  0·3· #Chemistry#Organic Chemistry
  replied2010-02-24 22:40:02
• ASSERTION AND REASONING
  let y=\frac{x^2+ax+b}{x^2+px+q} whare α,β are roots of {x^2+ax+b} and β,γ of x2+px+q such that α<β<γ statement-1:for all xεR-(β,γ) THE RANGE OF Y IS ALL REAL statement 2..for all xεR-(β,γ) Y IS ONE-ONE FUNC ...
  0·4· #Mathematics#Algebra
  replied2010-02-24 22:31:23
• give product
  1..ethanol+ KI+Na2CO3→→→yellow ppt.(x) x ?????????? ...
  0·4· #Chemistry#Organic Chemistry
  replied2010-02-24 22:29:49
• stereoisomer
  1. what are the no. of stereoisomers of MA3BCD type of complex?????? (give the structures if possible ) ...
  0·2· #Chemistry#Inorganic Chemistry
  replied2010-02-24 22:28:56
• complex compounds
  1..for stability of complex compounds we have to consider charge on central atom or whether it is inner or outer orbital complex ...
  0·2· #Chemistry#Inorganic Chemistry
  replied2010-02-23 03:57:36
• ASSERTION AND REASONING
  let y=\frac{x^2+ax+b}{x^2+px+q} whare α,β are roots of {x^2+ax+b} and β,γ of x2+px+q such that α<β<γ statement-1:for all xεR-(β,γ) THE RANGE OF Y IS ALL REAL statement 2..for all xεR-(β,γ) Y IS ONE-ONE FUNC ...
  0·4· #Mathematics#Algebra
  replied2010-02-23 03:31:25
• EASY DOUBTS
  1..are oxides of H,Bi,Ga,Tl,Sb,Po AMPHOTERIC ?????? 2.WHICH HAS GREATER IONIC CHARACTER --ZnCO3 OR MgCO3 ????? ...
  0·5· #Chemistry#Physical Chemistry
  replied2010-02-21 20:58:13
• EASY DOUBTS
  1..are oxides of H,Bi,Ga,Tl,Sb,Po AMPHOTERIC ?????? 2.WHICH HAS GREATER IONIC CHARACTER --ZnCO3 OR MgCO3 ????? ...
  0·5· #Chemistry#Physical Chemistry
  replied2010-02-21 20:56:15
• RATE OF REACTION
  ...1..HOW ELECTRIC AND MAGNETIC FIELD CAN AFFECT RATE OF REACTION ?????? ...
  0·2· #Chemistry#Physical Chemistry
  replied2010-02-19 23:34:19
• INTEGRATE
  1..∫ X2/(A+BX)2 dx ...
  0·3· #Mathematics#Calculus
  replied2010-02-19 23:28:17
• stability of carbanion
  1..stability of following carbanion can be explained by *Image* a.inductive effect. b.mesomeric effect c.s- character ...
  0·5· #Chemistry#Organic Chemistry
  replied2010-02-19 22:45:19
• metal-metal bond
  1.calculate the no. of metal-metal bond of Co4(CO)12 if complex follows 18e- rule ???? ...
  0·4· #Chemistry#Inorganic Chemistry
  replied2010-02-19 22:44:05
• stability of carbanion
  1..stability of following carbanion can be explained by *Image* a.inductive effect. b.mesomeric effect c.s- character ...
  0·5· #Chemistry#Organic Chemistry
  replied2010-02-18 22:36:41
• match---
  match--- 1.Cl2O a. acidic oxide 2.ClO2 b. HOCl 3.Cl2O6 c. HClO2 4.Cl2O7 d. HClO4 ...
  0·8· #Chemistry#Inorganic Chemistry
  replied2010-02-18 22:05:59
• R-S configuration
  Write the type of R-S configuration of the following compounds ..... *Image* ...
  0·7· #Chemistry#Organic Chemistry
  replied2009-11-10 22:48:44