Alkali metals dissolve in liquid $N H_{3}$ , then which of the following observation(s) is/are true?

H_{2}

gas is liberated

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Solution is blue due to the presence of solvated electrons

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Solution is conducting

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All of the above

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Solution

The correct option is D All of the above
Alkali metals dissolve in liquid $N H_{3}$ :
$M + N H_{3} \to M N H_{2} + (1 / 2) H_{2}$
Dilute solutions of alkali metals in liq. ammonia are dark blue in colour due to solvated metal ions and solvated electrons.
This solution is highly conductive due to the presence of solvated ions and electrons.

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Similar questions

The Alkali metals dissolve in liquid $N H_{3}$ . It is observed that

H_{2}

Read the following and select one the correct answer:

Statement I: Alkali metals dissolve in liquid ammonia to give a blue solution

Statement II: Alkali metals dissolve in liquid ammonia to give solvated species of the type $[M (N H_{3})_{n}]^{+}$

N H_{3}

[M (N H_{3})_{n}]^{+}