1. Tardigrade
  2. Question
  3. Chemistry
  4. A translucent white waxy solid 'A' reacts with excess of chlorine to give a yellowish white powder 'B'. 'B' reacts with organic compounds containing -OH group converting them into chloro derivatives. 'B' on hydrolysis gives 'C' and is finally converted to phosphoric acid. 'A', 'B' and 'C' are

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. A translucent white waxy solid 'A' reacts with excess of chlorine to give a yellowish white powder 'B'. 'B' reacts with organic compounds containing $-OH$ group converting them into chloro derivatives. 'B' on hydrolysis gives 'C' and is finally converted to phosphoric acid. 'A', 'B' and 'C' are

NTA AbhyasNTA Abhyas 2022

Solution:

$\underset{\left(A\right)}{P_{4}}+10Cl_{2} \rightarrow \underset{\left(B\right)}{4 P C l_{5}}$
$PCl_{5}+C_{2}H_{5}OH \rightarrow C_{2}H_{5}Cl+POCl_{3}+HCl$
$PCl_{5}+H_{2}O \rightarrow \underset{\left(C\right)}{P O C l_{3}}+2HCl$
$POCl_{3}+3H_{2}O \rightarrow H_{3}PO_{4}+3HCl$