The commercial method of preparation of potas | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) The reaction is: $Na(l) + KCl(l) \rightleftharpoons NaCl(l) + K(g)$.At $850 ^\circ C$,potassium $(K)$ has a lower boiling point $(774 ^\circ C)$ c

Vedclass · Accepted Answer

potassium being more volatile and distils off thus shifting the reaction forward

Vedclass · Answer

(B) The reaction is: $Na(l) + KCl(l) \rightleftharpoons NaCl(l) + K(g)$.At $850 ^\circ C$,potassium $(K)$ has a lower boiling point $(774 ^\circ C)$ compared to sodium ($Na$,$883 ^\circ C$).Since potassium is more volatile at this temperature,it distils off as a vapor.According to Le Chatelier's principle,the continuous removal of the product (potassium vapor) shifts the equilibrium in the forward direction,allowing the reaction to proceed to completion.

Compound	Uses
$1$. Soda ash	$a$. In purification of sugar
$2$. Calcium oxide	$b$. As an antacid
$3$. Baking soda	$c$. In paper and textile industries
	$d$. To prepare pure fats and oils

The commercial method of preparation of potassium by reduction of molten $KCl$ with metallic sodium at $850 ^\circ C$ is based on the fact that:

Similar Questions

$KO_2$ is used in space and submarines because it

The alkali metal that reacts with nitrogen directly to form nitride is

Alkali metals react with water to form hydroxides and release hydrogen gas. This is because:

Match the following:

Compound Uses

$1$. Soda ash $a$. In purification of sugar

$2$. Calcium oxide $b$. As an antacid

$3$. Baking soda $c$. In paper and textile industries

$d$. To prepare pure fats and oils

Why are alkali metals not found in nature?

Vedclass Test Series

Exam Paper Generator

Online Exam Module