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BeO,Al(2)O(3),SnO(2),SiO(2),Sb(2)O(3),Pb...

`BeO,Al_(2)O_(3),SnO_(2),SiO_(2),Sb_(2)O_(3),PbO`
are __ oxides

A

Amphoteric oxides

B

Basic

C

Acidic

D

Neutral

Text Solution

Verified by Experts

The correct Answer is:
A
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(a) Classify following oxides as neutral, acidic , basic or amphoteric CO, B_(2)O_(3), SiO_(2), CO_(2), Al_(2)O_(3), PbO_(2), Tl_(2)O_(3) (b) Write suitable chemcial equations to show their nature.

a. Classify following oxides as neutral, acidic, basic or atphoteric: CO,B_(2)O_(3),SiO_(2),CO_(2),Al_(2)O_(3),PbO_(2),Tl_(2)O_(3) . b. Write suitable chemical reaction to show their nature.

Knowledge Check

  • Among Al_(2)O_(3),SiO_(2),P_(2)O_(5) and SO_(3) the correct order of acid strength is :-

    A
    `Al_(2)O_(3)ltSiO_(2)ltSO_(3)ltP_(2)O_(5)`
    B
    `SiO_(2) lt SO_(3) lt Al_(2)O_(3) lt P_(2)O_(5)`
    C
    `SO_(3)ltP_(2)O_(5)ltSiO_(2)ltAl_(2)O_(3)`
    D
    `Al_(2)O_(3)ltSiO_(2)ltP_(2)O_(5)ltSO_(3)`

  • Bauxite ore is made up of Al_(2)O_(3) + SiO_(2) + TiO_(2) + Fe_(2)O_(3) . This ore is treated with conc. NaOH solution at 500 K and 35 bar pressure for few hours and filltered hot. In the filtrate the species present are :

    A
    `NaAl(OH)_(4)` only
    B
    `Na_(2)Ti(OH)_(6)` only
    C
    `NaAl(OH)_(4) and Na_(2)SiO_(3)` both
    D
    `Na_(2)SiO_(3)` only

  • Bauxide ore is made up of Al_(2)O_(3) + SiO_(2) + TiO_(2) + Fe_(2) O_(3) . This ore is treated with conc. NaOH solution at 500 K and 35 bar pressure for a few hours and filtered hot. In the filtrate, the species present are

    A
    `NaAl(OH)_(4)` only
    B
    `Na_(2)Ti(OH)_(6)` only
    C
    `NaAl(OH)_(4)` and `Na_(2)SiO_(3)` both
    D
    `Na_(2)SiO_(3)` only

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    For given oxides calculate (("X"+"Y"))/(2) FeO,Cr_(2)O_(3),MnO,ZnO,CO,Na_(2)O,Al_(2)O_(3), PbO_(2) ,BaO where : X= Number of oxides which reacts only with acid Y= Number of neutral oxides "]

    How many of the following oxides would liberate H_(2)O_(2) on treatment with dil. H_(2)SO_(4) ? PbO_(2),Na_(2)O_(2),MnO_(2),BaO_(2),TiO_(2),CO_(2),NO_(2),SnO_(2) and Ag_(2)O .

    Which of the following oxides are amphoteric? MgO,CaO,FeO,Cu_(2)O,Ag_(2)O,Al_(2)O_(3),PbO,SnO,ZnO.BeO,Na_(2)O,Cs_(2)O [If your answer is 2 then write the answer as 0002.]

    Among Al_(2)O_(3) , SiO_(2) , P_(2)O_(3) and SO_(2) the correct order of acid strength is

    Among AI_(2)O_(3),SiO_(2),P_(2)O_(3) and SO_(2) the correct order of acidic strength is:

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