Which of the following do not liberate hydrogen when treated with sodium metal?

C_{2} H_{5} O H

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A l C l_{3}

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B F_{3}

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H C l

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Solution

The correct options are
C $B F_{3}$
D $A l C l_{3}$
For liberating hydrogen with sodium metal, there should be active hydrogen in the compound.

$A l C l_{3}$ and $B F_{3}$ do not contain hydrogen.

Option B and C correct.

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Which of the following do not liberate hydrogen when treated with sodium metal?

The correct options are C BF3 D AlCl3For liberating hydrogen with sodium metal, there should be active hydrogen in the compound. AlCl3 and BF3 do not contain hydrogen.Option B and C correct.

The correct options are
C $B F_{3}$
D $A l C l_{3}$
For liberating hydrogen with sodium metal, there should be active hydrogen in the compound.

$A l C l_{3}$ and $B F_{3}$ do not contain hydrogen.

Option B and C correct.