Chemistry-
General
Easy
Question
Choose the correct option/s according to the given compound
- Total stereoisomers arefive.
- All stereoisomers are opticallyactive.
- All stereoisomers are opticallyinactive
- Four stereo isomer shave plane of symmetry & one has centre of symmetry
The correct answer is: All stereoisomers are opticallyinactive
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The mineral colemanite is fused with sodium carbonate, compound(Z) is obtained along with white ppt. When(Z) reacts with dil.H2SO4 gives a compound (a) which on strong heating gives an oxide(C).(c) on reduction with Mg produced(d) and nonmetal(X). Treatment of chlorineonamixtureof(c) and carbon at high temperature gives a halide(E) which is fuming liquid(b.pt.13°C) along with a gas(F).(E) is a Lew is acid. (E) and (F) will be:
The mineral colemanite is fused with sodium carbonate, compound(Z) is obtained along with white ppt. When(Z) reacts with dil.H2SO4 gives a compound (a) which on strong heating gives an oxide(C).(c) on reduction with Mg produced(d) and nonmetal(X). Treatment of chlorineonamixtureof(c) and carbon at high temperature gives a halide(E) which is fuming liquid(b.pt.13°C) along with a gas(F).(E) is a Lew is acid. (E) and (F) will be:
chemistry-General
chemistry-
The mineral colemanite is fused with sodium carbonate, compound(Z) is obtained along with white ppt. When(Z)reactswithdil.H2SO4 gives a compound(a) which on strong heating gives an oxide(C).(c) on reduction with Mg produced(d) and nonmetal(X).Treatment of chlorine on a mixture of(c) and carbon at high temperature gives a halide(E) which is fuming liquid(b.pt.13°C) along with a gas(F).(E)is a Lew is acid. (Z) may be:
The mineral colemanite is fused with sodium carbonate, compound(Z) is obtained along with white ppt. When(Z)reactswithdil.H2SO4 gives a compound(a) which on strong heating gives an oxide(C).(c) on reduction with Mg produced(d) and nonmetal(X).Treatment of chlorine on a mixture of(c) and carbon at high temperature gives a halide(E) which is fuming liquid(b.pt.13°C) along with a gas(F).(E)is a Lew is acid. (Z) may be:
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chemistry-
Areactionisspontaneousiffreeenergychange,
,forthereactionisnegative.Thequestionarises,how wecanexplainthespontaneityofreversiblereactions.Letustaketheexampleofdissociationequilibriumof 
ThevariationoffreeenergywiththefractionofN2O4dissociatedunderstandardconditions is shown in the figure below:
Thestandardfreeenergychangefortheconversionof1moleofN2O4into2molesofNO2is:
Areactionisspontaneousiffreeenergychange,,forthereactionisnegative.Thequestionarises,how wecanexplainthespontaneityofreversiblereactions.Letustaketheexampleofdissociationequilibriumof ThevariationoffreeenergywiththefractionofN2O4dissociatedunderstandardconditions is shown in the figure below:
Thestandardfreeenergychangefortheconversionof1moleofN2O4into2molesofNO2is:
chemistry-General
