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Modern Periodic Table

In the given ...

Question

In the given oxides how many oxides are amphoteric?
$C O, C O_{2}, N a_{2} O, P b O_{2}, P b O, S n O, G e O_{2}, G e O$

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Solution

Amphoteric oxide are those which can act as both as an acid or a base. Among the following $P b O_{2}, P b O a n d S n O$ are amphoteric in nature.

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Similar questions

Q. How many of the following oxides are basic oxides?

C O_{2}, S n O_{2}, P b O, P b O_{2}, P b_{3} O_{4}, A l_{2} O_{3}

S i O_{2}

G e O_{2}

S n O

P b O

are respectively:

Q. (a) What are amphoteric oxides? Give two examples of amphoteric oxides.
(b) Choose the acidic oxides, basic oxides and neutral oxides from the following:
Na₂O; CO₂; CO; SO₂; MgO; N₂O; H₂O.
(c) Which of the following are amphoteric oxides:
MgO, ZnO, P₂O₃, Al₂O₃, NO₂

P b O_{2}

P b O Δ G_{298} < 0

S n O_{2}

S n O

Δ G_{298}

>0
Most probable oxidation state of Pb & Sn will be :

Q. Assertion :SnO is more reactive towards acid than

S n O_{2}

Reason: Both SnO and

S n O_{2}

are amphoteric oxides

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