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Reactivity Trends (Group 2)

Choose the co...

Question

Choose the correct statement(s) related to BeO.

A

It is covalent in nature

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B

It is ionic in nature

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C

It is a basic oxide

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D

It act as both basic and acidic oxide

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Solution

The correct options are
A It is covalent in nature
D It act as both basic and acidic oxide
BeO is amphoteric because it reacts with both acid and base
$B e O + 2 N a O H \to N a_{2} B e O_{2} + H_{2} O$
$B e O + 2 H C l \to B e C l_{2} + H_{2} O$

BeO is covalent in nature while other oxide of same group elements are ionic. This is due to the smaller size and high charge density on Be which will polarise the oxygen more and have more covalent character.

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Similar questions

Q. Choose the correct statement(s) related to BeO.

An element X reacts with dilute H₂SO₄ as well as with NaOH to produce salt and H₂(g). Hence, it may be concluded that:

A. X is an electropositive element.
B. Oxide of X is basic in nature
C. Oxide of X is acidic in nature.
D. X is an electronegative element.

Q. Assertion :Basic oxides are metal oxides. Reason: A basic oxide is called so as it will produce a base if you put it in water.

K M n O_{4}

acts as an oxidant in neutral, basic and acidic medium. Its final product under these conditions would be respectively:

Q. Predict the behaviour of both oxides

N a_{2} O

C l_{2} O_{7}

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Reactivity Trends (Group 2)

Standard XII Chemistry

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