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Please help! Which one of the following is the correct statement?

Which one of the following is the correct statement?

  • Option 1)

    B_2H_6\cdot 2NH_3  is known as ‘inorganic benzene’

  • Option 2)

    Boric acid is a protonic acid.

  • Option 3)

    Beryllium exhibits coordination number of six

  • Option 4)

    Chlorides of both beryllium and aluminium have bridged chloride structures in solid phase

 
Answers (1)
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As we learnt in 

Property of aluminium chloride -

Dimeric structure disappears when dissolved in water. It is hygroscopic in nature.

-

 

AlCl_{3} displays octahedral coordination geometry. 

 


Option 1)

B_2H_6\cdot 2NH_3  is known as ‘inorganic benzene’

This option is incorrect.

Option 2)

Boric acid is a protonic acid.

This option is incorrect.

Option 3)

Beryllium exhibits coordination number of six

This option is incorrect.

Option 4)

Chlorides of both beryllium and aluminium have bridged chloride structures in solid phase

This option is correct.

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