319059 What weight of NaCl is added to 1 litre of water so that \({\rm{\Delta }}{{\rm{T}}_{\rm{f}}}{\rm{/}}{{\rm{K}}_{\rm{f}}}{\rm{ = 1}}\) ?(Assume molality is same as molarity).

319060 The boiling point of a solution containing 0.61 g of benzoic acid in the 50 g of carbon disulphide assuming 84% dimerisation of the acid, is (The boiling point and \({{\rm{K}}_{\rm{b}}}\,\,{\rm{of}}\,\,{\rm{C}}{{\rm{S}}_{\rm{2}}}\) are \({\rm{46}}{\rm{.2^\circ C}}\,\,{\rm{and}}\,\,{\rm{2}}{\rm{.3K}}\,\,{\rm{kg}}\,\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\) respectively)

319061 The freezing point of aqueous solution contains 5% by mass urea, 1.0% by mass KCl and 10% by mass of glucose is
\(\left( {{K_f}\,\,for\,\,{H_2}O = 1.86\,\,K\,\,molalit{y^{ - 1}}} \right)\)

319062 \({\rm{75}}{\rm{.2}}{\mkern 1mu} {\mkern 1mu} {\rm{g}}{\mkern 1mu} {\mkern 1mu} {\rm{of}}{\mkern 1mu} {\mkern 1mu} {{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{5}}}{\rm{OH}}\) (phenol) is dissolved in 960g of a solvent of \({{\rm{K}}_{\rm{f}}}{\rm{ = 14K}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\rm{kg}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\). If the depression in freezing point is 7K, then find the percentage of phenol that dimerizes.

319059 What weight of NaCl is added to 1 litre of water so that \({\rm{\Delta }}{{\rm{T}}_{\rm{f}}}{\rm{/}}{{\rm{K}}_{\rm{f}}}{\rm{ = 1}}\) ?(Assume molality is same as molarity).

319060 The boiling point of a solution containing 0.61 g of benzoic acid in the 50 g of carbon disulphide assuming 84% dimerisation of the acid, is (The boiling point and \({{\rm{K}}_{\rm{b}}}\,\,{\rm{of}}\,\,{\rm{C}}{{\rm{S}}_{\rm{2}}}\) are \({\rm{46}}{\rm{.2^\circ C}}\,\,{\rm{and}}\,\,{\rm{2}}{\rm{.3K}}\,\,{\rm{kg}}\,\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\) respectively)

319061 The freezing point of aqueous solution contains 5% by mass urea, 1.0% by mass KCl and 10% by mass of glucose is
\(\left( {{K_f}\,\,for\,\,{H_2}O = 1.86\,\,K\,\,molalit{y^{ - 1}}} \right)\)

319062 \({\rm{75}}{\rm{.2}}{\mkern 1mu} {\mkern 1mu} {\rm{g}}{\mkern 1mu} {\mkern 1mu} {\rm{of}}{\mkern 1mu} {\mkern 1mu} {{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{5}}}{\rm{OH}}\) (phenol) is dissolved in 960g of a solvent of \({{\rm{K}}_{\rm{f}}}{\rm{ = 14K}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\rm{kg}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\). If the depression in freezing point is 7K, then find the percentage of phenol that dimerizes.

319059 What weight of NaCl is added to 1 litre of water so that \({\rm{\Delta }}{{\rm{T}}_{\rm{f}}}{\rm{/}}{{\rm{K}}_{\rm{f}}}{\rm{ = 1}}\) ?(Assume molality is same as molarity).

319060 The boiling point of a solution containing 0.61 g of benzoic acid in the 50 g of carbon disulphide assuming 84% dimerisation of the acid, is (The boiling point and \({{\rm{K}}_{\rm{b}}}\,\,{\rm{of}}\,\,{\rm{C}}{{\rm{S}}_{\rm{2}}}\) are \({\rm{46}}{\rm{.2^\circ C}}\,\,{\rm{and}}\,\,{\rm{2}}{\rm{.3K}}\,\,{\rm{kg}}\,\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\) respectively)

319061 The freezing point of aqueous solution contains 5% by mass urea, 1.0% by mass KCl and 10% by mass of glucose is
\(\left( {{K_f}\,\,for\,\,{H_2}O = 1.86\,\,K\,\,molalit{y^{ - 1}}} \right)\)

319062 \({\rm{75}}{\rm{.2}}{\mkern 1mu} {\mkern 1mu} {\rm{g}}{\mkern 1mu} {\mkern 1mu} {\rm{of}}{\mkern 1mu} {\mkern 1mu} {{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{5}}}{\rm{OH}}\) (phenol) is dissolved in 960g of a solvent of \({{\rm{K}}_{\rm{f}}}{\rm{ = 14K}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\rm{kg}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\). If the depression in freezing point is 7K, then find the percentage of phenol that dimerizes.

319059 What weight of NaCl is added to 1 litre of water so that \({\rm{\Delta }}{{\rm{T}}_{\rm{f}}}{\rm{/}}{{\rm{K}}_{\rm{f}}}{\rm{ = 1}}\) ?(Assume molality is same as molarity).

319060 The boiling point of a solution containing 0.61 g of benzoic acid in the 50 g of carbon disulphide assuming 84% dimerisation of the acid, is (The boiling point and \({{\rm{K}}_{\rm{b}}}\,\,{\rm{of}}\,\,{\rm{C}}{{\rm{S}}_{\rm{2}}}\) are \({\rm{46}}{\rm{.2^\circ C}}\,\,{\rm{and}}\,\,{\rm{2}}{\rm{.3K}}\,\,{\rm{kg}}\,\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\) respectively)

319061 The freezing point of aqueous solution contains 5% by mass urea, 1.0% by mass KCl and 10% by mass of glucose is
\(\left( {{K_f}\,\,for\,\,{H_2}O = 1.86\,\,K\,\,molalit{y^{ - 1}}} \right)\)

319062 \({\rm{75}}{\rm{.2}}{\mkern 1mu} {\mkern 1mu} {\rm{g}}{\mkern 1mu} {\mkern 1mu} {\rm{of}}{\mkern 1mu} {\mkern 1mu} {{\rm{C}}_{\rm{6}}}{{\rm{H}}_{\rm{5}}}{\rm{OH}}\) (phenol) is dissolved in 960g of a solvent of \({{\rm{K}}_{\rm{f}}}{\rm{ = 14K}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\rm{kg}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\). If the depression in freezing point is 7K, then find the percentage of phenol that dimerizes.