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Basic Oxides of Metals

What is the n...

Question

What is the nature (acidic /basic) of the following oxides ?

(a) Magnesium oxide (b) Sulphur dioxide

Give reason for your choice.

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Solution

Magnesium oxide is basic in nature because if you put it in water it will make a base Magnesium Hydroxide and sulphur oxide is acidic because it , putting in water makes acid (sulphurous acid) there is one reason also that metals make basic oxides and minerals make acidic oxides

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Q. Question 11
Generally, metallic oxides are basic and non-metallic oxides are acidic in nature. The solution of which of the following oxides in water will change the colour of blue litmus to red?

(a) sulphur dioxide
(b) magnesium oxide
(c) iron oxide
(d) copper oxide

Q. Question 11
Generally, metallic oxides are basic and non-metallic oxides are acidic in nature. The solution of which of the following oxides in water will change the colour of blue litmus to red?

(a) sulphur dioxide
(b) magnesium oxide
(c) iron oxide
(d) copper oxide

Pick the odd member from the list giving reasons :

(a) Ammonia, sulphur dioxide, hydrogen chloride, carbon dioxide.

(b) Copper oxide, aluminium oxide, sodium oxide, magnesium oxide.

Q. Complete the following reactions and identify the nature of salts obtained (acidic, basic, or neutral). Give reasons to justify your answer.

Q. An element X forms two oxides XO and XO₂. The oxide XO has no action on litmus solution but oxide XO₂ turns litmus solution red.
(a) What is the nature of oxide XO?
(b) What is the nature of oxide XO₂?
(c) Would you call element X a metal or a non-metal? Give reason for your choice.
(d) Can you give an example of element like X?

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