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pH the Power of H

Arrange the f...

Question

Arrange the following in the increasing order of their $p H$ value:
$N a C l$ , $H C l$ , $N a O H$ , $C_{2} H_{5} O H$

N a C l < H C l < C_{2} H_{5} O H < N a O H

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H C l < N a C l < C_{2} H_{5} O H < N a O H

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H C l < N a O H < C_{2} H_{5} O H < N a C l

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N a O H < H C l < N a C l < C_{2} H_{5} O H

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Solution

The correct option is A $H C l < N a C l < C_{2} H_{5} O H < N a O H$
$H C l$ is a strong acid with $p H$ of $3.$
$N a C l$ is a salt of strong acid and a strong base so it is neutral with $p H$ of $7$
Ethanol is slightly basic with a $p H$ of $7.33$
$N a O H$ is a base which has the hightest $p H$ value

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NaCl + H₂O= HCl + NaOH

Can we use this reaction to prepare Con. HCl ?

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