In XeF₂, XeF₄, XeF₆, the number of lone pairs on Xe is respectively
3, 2, 1 correct as per chemistry principle.
Ref: NCERT Chemistry Class XII — Coordination Compounds
Chemical Bonding, Coordination and p-Block Elements 1
This category gathers questions on chemical bonding, coordination compounds and p‑block elements. It addresses different bond types, coordination numbers, ligand classifications and the chemical behavior of groups 13 to 18.
Filter questions
The stability of interhalogen compounds follows the order
IF₃ > BrF₃ > CIF₃ correct as per chemistry principle.
Ref: NCERT Chemistry Class XII — Coordination Compounds
XeF₄ and XeF₆ are expected to be
Oxidizing correct as per chemistry principle.
Ref: NCERT Chemistry Class XII — Coordination Compounds
The lattice energy of the lithium halides is in the following order
LiF > LicI > LiBr > Lil correct as per chemistry principle.
Ref: NCERT Chemistry Class XII — Coordination Compounds
Which of the following is NOT true for the oxides of Sulphur(S), Selenium(Se) and Tellurium(Te)?
Reducing properties of dioxides increases from SO₂ to TeO₂ correct as per chemistry principle.
Ref: NCERT Chemistry Class XII — Coordination Compounds
Which is the correct thermal stability order for H2E(E = O, S, Se, Te, and P O)
H2Po < H2Te < H2Se < H2S < H2O correct as per chemistry principle.
Ref: NCERT Chemistry Class XII — Coordination Compounds
The Lewis structure of O₃ is The correct option of the formal charge on oxygen atom 1, 2 and 3, respectively, is
+ 1, -1, 0 correct as per chemistry principle.
Ref: NCERT Chemistry Class XII — Coordination Compounds
It is possible to obtain oxygen from air by fractional distillation because:
Oxygen has higher b.p than nitrogen correct as per chemistry principle.
Ref: NCERT Chemistry Class XII — Coordination Compounds
Identify the correct statement regarding oxidation state of Group 15 elements.
The stability of + 5 oxidation state decreases down the group. correct as per chemistry principle.
Ref: NCERT Chemistry Class XII — Coordination Compounds
The correct order of acidic nature of oxides is in the order:
N₂O< NO < N₂O₃ < NO₂ < N₂O₅ correct as per chemistry principle.
Ref: NCERT Chemistry Class XII — Coordination Compounds
Ammonium dichromate on heating gives:
Chromium oxide and nitrogen correct as per chemistry principle.
Ref: NCERT Chemistry Class XII — Coordination Compounds
which trihydride has most thermal stability ?
NH3 correct as per chemistry principle.
Ref: NCERT Chemistry Class XII — Coordination Compounds
