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Statement 1 : Sodium metal dissolves in ...

Statement 1 : Sodium metal dissolves in liquid ammonia to form a blue coloured solution.
Statement 2 : The blue solution is a good conductor of electricity.

A

Statement : 1 is ture, Statement 2 is also ture, Statement 2 is the correct explanation of statement 1

B

Statement 1 is ture, Statement 2 is also ture, statement 2 is not the correct explanation of statement 1

C

Statement 1 is true, Statement 2 is false.

D

Statement 1 is also false, Statement 2 is ture

Text Solution

Verified by Experts

The correct Answer is:
B
Correct explanation. The blue colour of the solution is because of ammoniated electrons
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What happens when : sodium metal is dissolved in liquid ammonia?

Sodium metal dissolves in liquid ammonia and forms a deep blue solution. The colour is due to absorption of light by :

Knowledge Check

  • Assertion (A): Caesium metal when dissolved in liquid amtmonia forms a blue-coloured solution. Reason(R ): The blue solution is a good conductor of electricity.

    A
    If both (A) and (R ) are correct and (R ) is the correct explanation of (A).
    B
    If both (A) and (R ) are correct, but (R ) is not the correct explanation of (A).
    C
    If (A) is correct, but (R ) is incorrect.
    D
    If (A) is incorrect, but (R ) is correct.

  • The metal that dissolves in liquid ammonia, giving a dark blue coloured solution is

    A
    Tin
    B
    Lead
    C
    Sodium
    D
    Silver

  • When sodium metal is dissolved in liquid ammonia, blue colour solution is formed. The blue colour is due to

    A
    Solvated `Na^(+) ions`
    B
    Solvated electrons
    C
    Solvated `NH_(2)^(-)` ions
    D
    Solvated protons

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