Question

27. Circle the one that has the indicated physical property. [5 x 1 pts] (a) lower boiling point: iodine monochloride (ICIJ or bromine (Bra] (b) greater polarizability, krypton (Kr) or argon (Ar) (c) greater viscosity: glycol (C2H4OH)2] or ethanol [C2H5OH] (d) greater dipole - dipole forces: nitrogen trichloride (NCIS), or nitrogen tribromide (NBr3] (e) lower surface tension ethanol (C2H5OH or dimethyl ether (CH,OCH)

Answer 1

W lower boring boiling Point - @3 Explomelton - ]cl molecules are altracted to each otheel by by dipole - dipole interaction as well as londen forces where as Br, molecules are attracted to eam other only b] Lenden forces.as a susult the boinling Point of Boz is lesser than Ich 1993 Gullateer Palaeliza bilety :-(KOL) Leonger the size, higner will be the Polarizabiuty hore KOL is Larger molecule than Ar.so kol has greater Dolarizability then Ar. (9 Gelesteel Viscosity :- (glyce1 Å The number of hydrogen bond is more in gjeol than ethanol. as a result ghol is mere viscous than ethanol J greater dipole-dipole forces nibogen tribromide) dipole-dipole feras = pneige x distance, Tom The Size of Bromin atorn is larger than enleride atom as a svoult dipole-dipole frasis maximum in the core of Alto Nor3 ole Lowel sulface tennion :-(dimethyl ether In CH, O CH3 only di pole-ci pole forces present but in C H50] [ additional Hybrogen bond formation occuL on a susult C2 Hgoll has higher swlface temin