318988 A non-volatile solute ‘A’ tetramerises in water to the extent of \({\rm{80\% }}\) 2.5g of ‘A’ in 100 g of water, lowers the freezing point by \({\rm{0}}{\rm{.}}{{\rm{3}}^{\rm{^\circ }}}{\rm{C}}\). The molar mass of \({\rm{A}}\,\,{\rm{in}}\,\,{\rm{g}}\,\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\) is \(\left( {{{\rm{K}}_{\rm{f}}}{\mkern 1mu} {\mkern 1mu} {\rm{for}}{\mkern 1mu} {\mkern 1mu} {\rm{water = 1}}{\rm{.86}}{\mkern 1mu} {\mkern 1mu} {\rm{K}}{\mkern 1mu} {\mkern 1mu} {\rm{kg}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}} \right)\)
318989 The freezing point of benzene decrease by \({\rm{0}}{\rm{.4}}{{\rm{5}}^{\rm{^\circ }}}{\rm{C}}\) when 0.2 g of acetic acid is added to 20 g of benzene. If acetic acid associates to form a dimer in benzene will be :- (\({{\rm{K}}_{\rm{f}}}\) for benzene \({\rm{ = 5}}{\rm{.12K}}{\mkern 1mu} {\mkern 1mu} {\rm{kg}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\))
318988 A non-volatile solute ‘A’ tetramerises in water to the extent of \({\rm{80\% }}\) 2.5g of ‘A’ in 100 g of water, lowers the freezing point by \({\rm{0}}{\rm{.}}{{\rm{3}}^{\rm{^\circ }}}{\rm{C}}\). The molar mass of \({\rm{A}}\,\,{\rm{in}}\,\,{\rm{g}}\,\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\) is \(\left( {{{\rm{K}}_{\rm{f}}}{\mkern 1mu} {\mkern 1mu} {\rm{for}}{\mkern 1mu} {\mkern 1mu} {\rm{water = 1}}{\rm{.86}}{\mkern 1mu} {\mkern 1mu} {\rm{K}}{\mkern 1mu} {\mkern 1mu} {\rm{kg}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}} \right)\)
318989 The freezing point of benzene decrease by \({\rm{0}}{\rm{.4}}{{\rm{5}}^{\rm{^\circ }}}{\rm{C}}\) when 0.2 g of acetic acid is added to 20 g of benzene. If acetic acid associates to form a dimer in benzene will be :- (\({{\rm{K}}_{\rm{f}}}\) for benzene \({\rm{ = 5}}{\rm{.12K}}{\mkern 1mu} {\mkern 1mu} {\rm{kg}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\))
318988 A non-volatile solute ‘A’ tetramerises in water to the extent of \({\rm{80\% }}\) 2.5g of ‘A’ in 100 g of water, lowers the freezing point by \({\rm{0}}{\rm{.}}{{\rm{3}}^{\rm{^\circ }}}{\rm{C}}\). The molar mass of \({\rm{A}}\,\,{\rm{in}}\,\,{\rm{g}}\,\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\) is \(\left( {{{\rm{K}}_{\rm{f}}}{\mkern 1mu} {\mkern 1mu} {\rm{for}}{\mkern 1mu} {\mkern 1mu} {\rm{water = 1}}{\rm{.86}}{\mkern 1mu} {\mkern 1mu} {\rm{K}}{\mkern 1mu} {\mkern 1mu} {\rm{kg}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}} \right)\)
318989 The freezing point of benzene decrease by \({\rm{0}}{\rm{.4}}{{\rm{5}}^{\rm{^\circ }}}{\rm{C}}\) when 0.2 g of acetic acid is added to 20 g of benzene. If acetic acid associates to form a dimer in benzene will be :- (\({{\rm{K}}_{\rm{f}}}\) for benzene \({\rm{ = 5}}{\rm{.12K}}{\mkern 1mu} {\mkern 1mu} {\rm{kg}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\))
318988 A non-volatile solute ‘A’ tetramerises in water to the extent of \({\rm{80\% }}\) 2.5g of ‘A’ in 100 g of water, lowers the freezing point by \({\rm{0}}{\rm{.}}{{\rm{3}}^{\rm{^\circ }}}{\rm{C}}\). The molar mass of \({\rm{A}}\,\,{\rm{in}}\,\,{\rm{g}}\,\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\) is \(\left( {{{\rm{K}}_{\rm{f}}}{\mkern 1mu} {\mkern 1mu} {\rm{for}}{\mkern 1mu} {\mkern 1mu} {\rm{water = 1}}{\rm{.86}}{\mkern 1mu} {\mkern 1mu} {\rm{K}}{\mkern 1mu} {\mkern 1mu} {\rm{kg}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}} \right)\)
318989 The freezing point of benzene decrease by \({\rm{0}}{\rm{.4}}{{\rm{5}}^{\rm{^\circ }}}{\rm{C}}\) when 0.2 g of acetic acid is added to 20 g of benzene. If acetic acid associates to form a dimer in benzene will be :- (\({{\rm{K}}_{\rm{f}}}\) for benzene \({\rm{ = 5}}{\rm{.12K}}{\mkern 1mu} {\mkern 1mu} {\rm{kg}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\))