What is the entropy change (in JK-1 mol-1) when 1 mole of ice is converted into water at 0℃? (The enthalpy change for the conversion of ice to liquid water is 6.0 kJ mol-1 at 0℃)

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#Question id: 20227

#XL - P Chemistry

CO₂ is isostructural with

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#Question id: 20228

#XL - P Chemistry

NH₃ has a higher boiling point than expected because

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#Question id: 20229

#XL - P Chemistry

The molecule with zero dipole moment is

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#Question id: 20230

#XL - P Chemistry

Molecular shaper of SF₄ , CF₄, XeF₄ are

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#Question id: 20231

#XL - P Chemistry

Which of the following has the regular tetrahedral structure ?

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#Question id: 20232

#XL - P Chemistry

In OF₂, number of bond pairs and lone pairs of electrons are respectively