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Which of the following oxides is not exp...

Which of the following oxides is not expected to react with sodium hydroxide ?

A

`BeO`

B

`B_(2)O_(3)`

C

`CaO`

D

`SiO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
`CaO` is a basic oxide, thus, it cannot react with `NaOH` which is an equally strong base. Others are acidic oxides:
`BeO +2NaOHrarr Na_(2)BeO_(2) +H_(2)O`
`B_(2)O_(3) +2NaOH rarr 2NaBO_(2) +H_(2)O`
`SiO_(2) _2NaOH rarr Na_(2)SiO_(3) +H_(2)O`
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Knowledge Check

  • Which of the following is not expected to give ether on reaction with sodium methoxide?

    A
    `PhCH_(2)Cl`
    B
    `CH_(2)=CHCH_(2)Cl`
    C
    `CH_(2)=CHCl`
    D
    `CH_(3)CH_(2)CH_(2)Cl`

  • Which of the following metal hydroxides does not dissolve in sodium hydroxide solution?

    A
    `Zn(OH)_(2)`
    B
    `Al(OH)_(3)`
    C
    `Fe(OH)_(3)`
    D
    `Pb(OH)_(2)`

  • Which of the following disproportionate on heating with sodium hydroxide ?

    A
    `P_4`
    B
    `S_8`
    C
    `Cl_2`
    D
    B
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