Questions/JEE Main 2026/Arrange these oxides...
21 Jan - MorningJEE Main 2026

Arrange these oxides in decreasing order of Basic Nature: Al2O3, Na2O, K2O, MgOAl_2O_3, \ Na_2O, \ K_2O, \ MgO

Expert Answer

K2O>Na2O>MgO>Al2O3K_2O > Na_2O > MgO > Al_2O_3 Trend: Basic nature increases down a group and decreases across a period. Al2O3Al_2O_3 is Amphoteric.

Master this topic with Flashcards

Use our Spaced Repetition flashcards to memorize 21 Jan - Morning and ace your exams.

Start Practicing Now

Related Questions in JEE Main 2026

Identify A, B, and C in this Lead ( PbPb ) reaction sequence: 1. PbCl2+K2CrO4→A(Yellow)+KClPbCl_2 + K_2CrO_4 \rightarrow \mathbf{A} (\text{Yellow}) + KCl 2. A+NaOH(excess)→B(Soluble)\mathbf{A} + NaOH (\text{excess}) \rightarrow \mathbf{B} (\text{Soluble}) 3. PbSO4+CH3COONH4→C(Soluble)+(NH4)2SO4PbSO_4 + CH_3COONH_4 \rightarrow \mathbf{C} (\text{Soluble}) + (NH_4)_2SO_4

Why does the white precipitate of PbSO4PbSO_4 dissolve when Ammonium Acetate ( CH3COONH4CH_3COONH_4 ) is added?

Compare the Hybridization and Geometry of: 1. [NiCl4]2−[NiCl_4]^{2-} 2. [Ni(CN)4]2−[Ni(CN)_4]^{2-} 3. [Ni(CO)4][Ni(CO)_4]

Predict the geometry of [PtCl4]2−[PtCl_4]^{2-} and [PdCl4]2−[PdCl_4]^{2-} . (Hint: How does it differ from [NiCl4]2−[NiCl_4]^{2-} ?)

Which of the following molecules are Tetrahedral? SF4, XeF4, SeF4, [NiCl4]2−, CH4SF_4, \ XeF_4, \ SeF_4, \ [NiCl_4]^{2-}, \ CH_4

View all JEE Main 2026 questions →