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Which of the following oxides are acidic...

Which of the following oxides are acidic ?
`CuO, Mn_(2)O_(7), CO, SO_(2), CrO_(3)`

A

`CrO_(3), Mn_(2)O_(7) and SO_(2)`

B

Only `SO_(2)`

C

`Mn_(2)O_(7) and SO_(2)`

D

`CO and SO_(2)`

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The correct Answer is:
A
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(i) Which of the following are coloured in aqueous solution ? Give reasons : V^(3+) , Cu^(+) , Sc^(3+) , Fe^(3+) (ii) Which of the following oxides are amphoteric ? Mn_2O_7, CrO_3, Cr_2O_3, V_2O_5 .

Which of the following is amphoteric oxide? Mn_(2)O_(7),CrO_(3),Cr_(2)O_(3),CrO,V_(2)O_(5),V_(2)O_(4)

Which of the following is amphoteric oxide? Mn_2O_7 , CrO_2 , Cr_2O_3, CrO , V_2O_5, V_2O_4

Out of the following how many oxides are acidic. MnO,Mn_2O_3,MnO_2,MnO_3,Mn_2O_7

Arrange the following oxides in decreasing acidic order SiO_(2) (I) CO_(2) (II) SO_(3) (III) N_(2)O_(5) (IV)

(a). What are amphoteric oxides? Give two examples of amphoteric oxides. (b). Choose the acidic oxides, basic oxides and neutral oxids from the following: Na_(2)O,CO_(2),CO,SO_(2),MgO,N_(2)O,H_(2)O (c). Which of the following are amphoteric oxides: MgO,ZnO,P_(2)O_(3),Al_(2)O_(3),NO_(2)

Among the oxides gives below, how many are acidic ? CrO_3, Mn_2 O_7, CO, SO_2 .

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