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An alkaline earth metal (M) gives a salt...

An alkaline earth metal (M) gives a salt chlorine, which is souble in water at room temperature. It also forms an insoluble sulphate whose mixture with a sulphide of a transtion metal is called lithopone a while pigment Metal M is

A

Ca

B

Mg

C

Ba

D

Sr

Text Solution

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The correct Answer is:
A
Lithopone can be formed by calcium
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A metal M readily forms its sulphate MSO_(4) which is water soluble. It forms oxide Mo which becomes inert on heating. It forms insouble hydroxide which is soluble NaOH. The metal is

Passage-I : Metallic sulphates can be obtained by reacting the metals (above hydrogen in ECS), or its oxide, hydroxide or carbonate with dil. H_(2)SO_(4) . Group IA metals also form hydrogen sulphates which can be isolated in solid. In general metal sulphates are soluble in water and crystallize with water of crystallization. Sulphates are thermally more stable than nitrates. Among the metals given below, which metal will not give its sulphate on treatment with dil. H_(2)SO_(4) .

BeO and Be(OH)_(2) are amphoteric while the oxides and hydroxides of other alkaline earth metals are basic. The solubility of hydroxides increases as we move down the group from Be to Ba but the solubility of sulphates and carbonates decreases in that order the thermal stability of carbonates and sulphates of alkaline earth metals increases from Be to Ba as we move from top to bottom in the group. Which of the following metal carbonates decompses on heating ?

BeO and Be(OH)_(2) are amphoteric while the oxides and hydroxides of other alkaline earth metals are basic. The solubility of hydroxides increases as we move down the group from Be to Ba but the solubility of sulphates and carbonates decreases in that order the thermal stability of carbonates and sulphates of alkaline earth metals increases from Be to Ba as we move from top to bottom in the group. The solubility in water of sulphates down the Be group is Be gt Mg gt Ca gt Sr gt Ba this is due to

BeO and Be(OH)_(2) are amphoteric while the oxides and hydroxides of other alkaline earth metals are basic. The solubility of hydroxides increases as we move down the group from Be to Ba but the solubility of sulphates and carbonates decreases in that order the thermal stability of carbonates and sulphates of alkaline earth metals increases from Be to Ba as we move from top to bottom in the group. Which of the following is strongest base ?

Passage-I : Metallic sulphates can be obtained by reacting the metals (above hydrogen in ECS), or its oxide, hydroxide or carbonate with dil. H_(2)SO_(4) . Group IA metals also form hydrogen sulphates which can be isolated in solid. In general metal sulphates are soluble in water and crystallize with water of crystallization. Sulphates are thermally more stable than nitrates. Which metal sulphate will decompose into SO_(3) and metal oxide when heated:

Passage-I : Metallic sulphates can be obtained by reacting the metals (above hydrogen in ECS), or its oxide, hydroxide or carbonate with dil. H_(2)SO_(4) . Group IA metals also form hydrogen sulphates which can be isolated in solid. In general metal sulphates are soluble in water and crystallize with water of crystallization. Sulphates are thermally more stable than nitrates. Select the stable hydrogen sulphate which can be obtained in solid state:

Passage-I : Metallic sulphates can be obtained by reacting the metals (above hydrogen in ECS), or its oxide, hydroxide or carbonate with dil. H_(2)SO_(4) . Group IA metals also form hydrogen sulphates which can be isolated in solid. In general metal sulphates are soluble in water and crystallize with water of crystallization. Sulphates are thermally more stable than nitrates. When BaCl_(2) solution is added in aq. Solution of NaHSO_(4) a white ppt. is obtained which is of:

Passage-I : Metallic sulphates can be obtained by reacting the metals (above hydrogen in ECS), or its oxide, hydroxide or carbonate with dil. H_(2)SO_(4) . Group IA metals also form hydrogen sulphates which can be isolated in solid. In general metal sulphates are soluble in water and crystallize with water of crystallization. Sulphates are thermally more stable than nitrates. Select the thermally more stable salt from given pairs: A) Al_(2)(SO_(4))_(3)" "B)Al(NO_(3))_(3)" "C) Ca(NO_(3))_(2)" "D) CaSO_(4)" "E )FeSO_(4)" "F) Fe(NO_(3))_(2)

Knowledge Check

  • A metal M readily forms its sulphate MSO_(4) which is water soluble. It forms oxide Mo which becomes inert on heating. It forms insouble hydroxide which is soluble NaOH. The metal is

    A
    Mg
    B
    Ba
    C
    Ca
    D
    Be

  • Passage-I : Metallic sulphates can be obtained by reacting the metals (above hydrogen in ECS), or its oxide, hydroxide or carbonate with dil. H_(2)SO_(4) . Group IA metals also form hydrogen sulphates which can be isolated in solid. In general metal sulphates are soluble in water and crystallize with water of crystallization. Sulphates are thermally more stable than nitrates. Among the metals given below, which metal will not give its sulphate on treatment with dil. H_(2)SO_(4) .

    A
    Ni
    B
    Cr
    C
    Co
    D
    Cu

  • BeO and Be(OH)_(2) are amphoteric while the oxides and hydroxides of other alkaline earth metals are basic. The solubility of hydroxides increases as we move down the group from Be to Ba but the solubility of sulphates and carbonates decreases in that order the thermal stability of carbonates and sulphates of alkaline earth metals increases from Be to Ba as we move from top to bottom in the group. Which of the following metal carbonates decompses on heating ?

    A
    `MgCO_(3)`
    B
    `Na_(2)CO_(3)`
    C
    `K_(2)CO_(3)`
    D
    `Rb_(2)CO_(3)`
    • AAKASH SERIES-ALKALINE EARTH METALS-PRACTICE SHEET LEVEL II (STRAIGHT OBJECTIVE TYPE QUESTIONS)
    1. An alkaline earth metal (M) gives a salt chlorine, which is souble in ...

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    2. Amongest the following hydroxides, the which has the lowest value of K...

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    3. The decreasing order of second ionisation potential of K, Ca, Ba is

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    4. The correct order of solubility is

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    5. The complex formation tendency of alkalie earth metals decreases down ...

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    6. The milk of magnesia used as an antacid is chemically

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    7. Yoverset(Delta205^(@)C)larrCaSo(4).2H(2)Ooverset(Delta120^(@)C)rarrX X...

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    8. A metal M readily forms water soluble and water insouble hydroxide M(O...

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    9. Among MgCI(2) RbCI, BaCI(2) and LICI, the compounds with the higtest a...

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    10. Weakest base among KOH, NaOH CaF(OH)(2) and Zn (OH)(2) is

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    11. BeCI(2)+LiAIH(4)rarrX-LiCI +AICI(3)

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    12. The order of thermal stability of carbonates of HA group is

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    13. A pair of substances which gives the same products on reaction with wa...

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    14. The high melting and high boiling element in IIA group elements is

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    15. Select the correct statement out of the following

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    16. Which of the following are inoic earbides ?

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    17. Which of the following pair of elements will give superoxides and pero...

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    18. Which of the following oxides have rock salt structure with coordinati...

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    19. Select the correct statement about harium :

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    20. Mg and Zn have following resemblance :

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