Statement 1: Basic anhydrides react in water to form bases.
Statement 2: Metallic oxides react with water to form solutions that have an excess of hydroxide ions.

Both Statement 1 and Statement 2 are correct and Statement 2 is the correct explanation of Statement 1.

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Both Statement 1 and Statement 2 are correct and Statement 2 is not the correct explanation of Statement 1.

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Statement 1 is correct but Statement 2 is not correct.

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Statement 1 is not correct but Statement 2 is correct.

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Solution

The correct option is A
Both Statement 1 and Statement 2 are correct and Statement 2 is the correct explanation of Statement 1.

A basic anhydride reacts with water to form a base; e.g., calcium oxide $C a O$ reacts with water to form calcium hydroxide, $C a (O H)_{2}$ which provides an excess of hydroxide ions in solution. Basic anhydrides are simply metal oxides, like sodium oxide ( $N a_{2} O$ ) or magnesium oxide $(M g O)$ . The term basic anhydride, refers the idea that these metal oxides are, bases with a water removed. For example, calcium oxide $(C a O)$ is simply calcium hydroxide $C a (O H)_{2}$ with one $H_{2} O$ removed from the formula.

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Similar questions

C^{4 +}

C^{4 -}

Choose the correct option based on the statements given below:

Statement 1: Carbon always shares electrons or forms a covalent bond with other elements.

Statement 2: $C^{4 +}$ and $C^{4 -}$ ions are highly unstable.

Statement 2 : The calorific value of peat is between 10.5-14.63 KJ/g.

A

B

A

B

Choose the correct option.

Statement $1 : (p \land \sim q) \land (\sim p \land q)$ is a fallacy.

Statement $2 : (p \Rightarrow q) \Leftrightarrow (\sim q \Rightarrow\sim p)$ is a tautology.

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