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The increasing order of basic character ...

The increasing order of basic character of oxides `MgO,SrO,K_(2)O and Cs_(2)O` is

A

`MgOgtSrOgtK_(2)OgtNiOgtCs_(2)O`

B

`Cs_(2)OltK_(2)OltMgOltSrOltNiO`

C

`NiOltMgOltSrOltK_(2)OltCs_(2)O`

D

`K_(2)OltNiOltMgOltSrOltCs_(2)O`

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Arrange the following as ststed: Increasing order of basic character: MgO,SrO_(2),K_(2)O,NiO,Cs_(2)O .

Arrange the following in increasing order of basic strength : MgO,SrO,K_(2)O,NiO,Cs_(2)O

Knowledge Check

  • The order of basic character of given oxides is:

    A
    `Na_2O gt MgO gt CuO gt SiO_2`
    B
    `MgO gt SiO_2 gt CuO gt Na_2O`
    C
    `SiO_2 gt MgO gt CuO gt Na_2O`
    D
    `CuO gt Na_2O gt MgO gt SiO_2`

  • The order of basic character of given oxides is:

    A
    `Na_(2)O gt MgO gt CuO gt SiO_(2)`
    B
    `MgO gt SiO_(2) gt CuO gt Na_(2)O`
    C
    `SiO_(2) gt MgO gt CuO gt Na_(2)O`
    D
    `CuO gt Na_(2)O gt MgO gt SiO_(2)`

  • The decreasing order of basic character of K_(2)O BaO , CaO and MgO is

    A
    `K_(2)O gt BaO gt CaO gt MgO`
    B
    `K_(2)O gt CaO gt BaO gt MgO`
    C
    `MgO gt BaO gt CaO gt K_(2)O`
    D
    `MgO gt CaO gt BaO gt K_(2)O`

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    Increasing order of basic character of NO_(2)K_(2)O and ZnO is

    Alkali and alkaline earth metals along with hydrogen and helium constitute s-block elements . They have low ionization enthalpies and hence exhibit characteristic flame colouration . They have highly negative electrode potentials and hence are strong reducing agents . Their solutions in liquid ammonia are conducting and also act as strong reducing agents than hydrogen , they are usually prepared by electrolysis of their fused chlorides . Their oxides are basic and the basic strength increases down the group . The solubility of carbonates and sulphates of alkali and alkaline earth metals show opposite trends . The carbonates of alkaline earth metals and lithium carbonate decompose on heating while the carbonates of other alkali metals do not decompose on heating . The bicarbonates of both alkali and alkaline earth metals on heating give carbonates . The basic character of the oxides , MgO , SrO , K_(2)O , NiO and Cs_(2)O increases in the order :

    The decreasing order of basic character of K_2O, BaO, CaO and MgO is

    Statement-1: The decreasing order of acidic character of CO_(2),N_(2)O_(5),SiO_(2) and SO_(3) is SO_(3) gt N_(2)O_(5) gt CO_(2) gt SiO_(2) . Statement-2: As electronegativity difference (E-O) decreases, acidic character of the oxide increases.

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