Smaller the size of ions, larger the magnitude of charges, more the lattice energy. thus, AlN has the largest lattice energy.
Which shows the highest lattice energy RbF CsF NaF KF?
The correct option is : b NaFExplanation:For compounds containing ions of same charge lattice energy increases as the size of ions decreases. Thus NaF has highest lattice energy. Arrange LiF, NaF, KF, RbF and CsF in increasing order of their lattice energies.
Which has the maximum lattice energy NaCl mgcl2 CSI srcl2?
Therefore, the inter-ionic distance between Mg²⁺ and Cl⁻ ions is shorter than that between Sr²⁺ and Cl⁻ ions, and thus the electrostatic attractive force between Mg²⁺ and Cl⁻ ions is stronger than that between Sr²⁺ and Cl⁻ ions. Hence, MgCl₂ has a greater lattice energy than SrCl₂.
Why is KCl less dense than KF?
The particle-level diagram above represents the structure of solid KF. Although the molar mass of KCl is greater than that of KF, the density of KCl is actually less than that of KF.
Which ionic compound has the largest amount of lattice energy?
Smaller the size of ions, larger the magnitude of charges, more the lattice energy. thus, AlN has the largest lattice energy.
What is the lattice energy of BaO?
The lattice energy of CsF is -744 kJ/mol, whereas that of BaO is -3029 kJ/mol. Explain this large difference in lattice energy.
Which has more lattice energy NaCl or MgCl2?
Answer. U(MgCl2) = 2477; U(NaCl) = 769 kJ mol^-1 Higher lattice energy implies better stability meaning stronger bonds.
Which has more lattice energy NaCl or LiCl?
LiCl. Because the Li+ ion is smaller than the Na+ ion, the Coulombic attractions between ions in LiCl are stronger than in NaCl. This results in a greater lattice enthalpy.
Which shows the highest lattice energy KCl Rbcl?
NaCl has highest lattice enthalpy because for similary anions, The cation with smaller radii exhibit higher lattice enthalpy.
Does nacl or MGS have a higher melting point?
The greater the charge on the ions, the stronger the forces holding them together. Sodium chloride is made from Na + ions and Cl – ions and has a melting point of 801°C. Magnesium oxide is made from ions with two charges (Mg 2+ and O 2-) and so has a much higher melting point of 2852°C.
Which of the following compounds is the most ionic?
As Sodium is common in given compounds, it forms the most ionic compound with higher electronegative atom or the smallest anion. As fluorine is highly electronegative than other atoms and smallest in size, sodium fluoride is more ionic than other molecules.
Which statement best helps to explain the observation that NH3 l NH 3 L boils at − 28 C − 28 C whereas PH3 L PH 3 L boils at − 126 C − 126 C?
Which statement best helps to explain the observation that NH3(l) boils at −28°C , whereas PH3(l)boils at −126°C ? NH3 has hydrogen bonding that is stronger than the dipole-dipole forces in PH3.
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