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What volume of hudrogen gas, at 273 K and 1 atm pressure will be consumed in obtaining 21.6 g of elemental boron (atomic mass = 10.8 ) from the reduction of boron trichloride by hydrogen at 273 K and 1 atm pressure will be consumed in obtaining 21.6 g of elemental boron (atomic mass = [...]

The set of numerical coefficient that balances the equation K2CrO4 +HCL gives K2Cr2O7 +KCL +H2O is The set of numerical coefficient that balances the equation K2CrO4 +HCL gives K2Cr2O7 +KCL +H2O is November 24, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The ionization constant of HF,HCOOH and HCN at 298K are 6.8×10 −4,1.8×10 −4and 4.8×10 −9 respectively. Calculate the ioniation constants of the corresponding conjugate base. 1.8×10 −4and 4.8×10 −9 respectively. Calculate the ioniation constants of the corresponding conjugate base. HCOOH and HCN at 298K are 6.8×10 −4 The ionization constant of HF November 24, 2020 [...]

Complete combustion of 0.858 g of compound X gives 2.63 g of CO2 and 1.28 G of H2O . The lowest molecular mass X can have Complete combustion of 0.858 g of compound X gives 2.63 g of CO2 and 1.28 G of H2O . The lowest molecular mass X can have November 24, 2020 [...]

The pH of a sample of vinegar is 3.76. Calculate the concentration of hydrogen ion in it. The pH of a sample of vinegar is 3.76. Calculate the concentration of hydrogen ion in it. November 24, 2020 Category: Chapter 7 - Equilibrium , Chemistry , NCERT Exemplar Class 11 ,

What is meant by the conjugate acid-base pair? Find the co[vimeo 479428195 w=640 h=360]njugate acid/base for the following species. HNO2,CN^− ,HClO4 F^− ,OH^− ,CO3 2−and S^2−-duplicate-2 The concentration of hydrogen ion in a sample of soft drink is 3.8×10 −3 M. What is its pH value? November 24, 2020 Category: Chapter 7 - Equilibrium , [...]

Classify the following species into Lewis acids and Lewis bases and show how these act as Lewis acid/base: (a) OH (b) F −c) H + (d) BCl 3 Classify the following species into Lewis acids and Lewis bases and show how these act as Lewis acid/base: (a) OH (b) F −c) H + (d) BCl [...]

In a mole of water vapour at STP , the volume actually occupied or taken by the molecules (i.e., Avogadro’s No. x Volume of one molecule ) is Avogadro's No. x Volume of one molecule ) is In a mole of water vapour at STP the volume actually occupied or taken by the molecules (i.e. [...]

One litre hard water contains 12 mg Mg^2+ milli equivalent of washing soda required to remove its hardness is One litre hard water contains 12 mg Mg^2+ milli equivalent of washing soda required to remove its hardness is November 24, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The species H2O, HCO3^-, HSO4^- NH3 can act both as bronsted acids and bases. For each case give corresponding conjugate acid and bases 2 HCO3^- HSO4^- NH3 can act both as bronsted acids and bases. For each case give corresponding conjugate acid and bases 2 The species H2O November 24, 2020 Category: Chapter 7 - [...]