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Question

Chemistry Question on Classification of elements & periodicity in properties

Beryllium shows diagonal relationship with aluminium. Which of the following similarity is incorrect ?

A

Be forms beryllates and Al forms aluminates

B

Be(OH)2Be(OH)_2 like Al(OH)3Al(OH)_3 is basic

C

Be like Al is rendered passive by HNO3HNO_3.

D

Be2CBe_2C like Al4C3Al_4C_3 yields methane on hydrolysis.

Answer

Be(OH)2Be(OH)_2 like Al(OH)3Al(OH)_3 is basic

Explanation

Solution

The Be(OH)2Be ( OH )_{2} and Al(OH)3Al ( OH )_{3} are amphoteric in nature,