The lattice energy order for lithium halide is
The lattice energy order for lithium halide is
Options
(a) LiF > liCl > LiBr > LiI (b) LiCl > LiF > LiBr > LiI (c) LiBr > LiCl > LiF > LiI […]
Memory
Bhor’s theory is applicable to
Bhor’s theory is applicable to
Options
(a) He (b) Li²⁺ (c) He²⁺ (d) None of these
Correct Answer:
Li²⁺
Explanation:
Bohr’s theory is applicable to H-like species (e.g., Li²⁺).
The spectrum of He is expected to be similar to
The spectrum of He is expected to be similar to
Options
(a) H (b) Li⁺ (c) Na (d) He⁺
Correct Answer:
Li⁺
Explanation:
Both He and Li⁺ contain 2 electrons each therefore their […]
Which of the following order is wrong?
Which of the following order of element is wrong?
Options
(a) NH₃ < PH₃< AsH₃– Acidic (b) Li < Be < B < C – First IP (c) Al₂O₃< MgO < Na₂O < […]
In the periodic table going down in fluorine group
In the periodic table going down in fluorine group
Options
(a) stability of ohydrides will increase (b) ionic radii will increase (c) electronegativity will increase (d) IE will increase
Correct Answer:
ionic radii […]
I₄O₉ is a/an
I₄O₉ is a/an
Options
(a) Ionic compound (b) Covalent compound (c) Coordinate compound (d) double salt
Correct Answer:
ionic compound
Explanation:
I₄O₉ is actually I(IO₃)₃. It is an ionic compound. I(IO₃)₃ ⇌ I³⁺ […]
XeF₂ is isostructural with:
XeF₂ is isostructural with:
Options
(a) ICl₂⁻ (b) SbCl₃ (c) BaCl₂ (d) TeF₂
Correct Answer:
ICl₂⁻
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting […]
Which one of the following is the correct order of size of othe iodine specifies?
Which one of the following is the correct order of size of othe iodine specifies?
Options
(a) I > I⁺ > I⁻ (b) I > I⁻ > I⁺ (c) I⁺ > I⁻ > […]
Which electronic configuration of an element has abnormally high difference
Which electronic configuration of an element has abnormally high difference between second and third ionization energy ?
Options
(a) I s², 2s², 2p⁶, 3s¹ (b) I s², 2 s², 2 p⁶, 3s¹ 3 […]
What is the dominant intermolecular force or bond that must be overcome
What is the dominant inter molecular force or bond that must be overcome in converting liquid CH₃OH to a gas?
Options
(a) Dipole-dipole interaction (b) Covalent bonds (c) London dispersion force (d) Hydrogen […]