1. Tardigrade
  2. Question
  3. Chemistry
  4. CaCl2 +H2SO4 xrightarrow[(HCl)](P) CaSO4.2H2O xrightarrow(q)] (r) xrightarrow > 393 K (s) Which of the following option describes, the products, reactants and the reaction conditions Option (P) (q) (r) (s) (a) Crystallisation Heat at 393 K 2 CaSO4.H2O CaSO4 (b) Crystallisation Heat at 393 K at high pressure 2 CaSO4. H2O CaSO4 (c) Higher temperature cool CaSO4.H2O CaSO4 (d) Higher pressure Heat at 393 K CaSO4 CaSO3

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Q. $CaCl_{2} +H_{2}SO_{4} \xrightarrow[(HCl)]{(P)} CaSO_{4}.2H_{2}O \xrightarrow{(q)]} (r) \xrightarrow{ >\, 393\,K }(s)$
Which of the following option describes, the products, reactants and the reaction conditions
Option (P) (q) (r) (s)
(a) Crystallisation Heat at 393 K $2\, CaSO_{4}.H_{2}O$ $CaSO_{4}$
(b) Crystallisation Heat at 393 K at high pressure $2 \, CaSO_{4}. H_{2}O$ $CaSO_{4}$
(c) Higher temperature cool $CaSO_{4}.H_{2}O$ $CaSO_{4}$
(d) Higher pressure Heat at 393 K $CaSO_{4}$ $CaSO_{3}$

The s-Block Elements

Solution:

$CaCl_{2} +H_{2}SO_{4} \xrightarrow[-HCl]{\text{Crystallisation}}CaSO_{4}.2H_{2}O$
$\xrightarrow{ 393\, K }2CaSO_{4}. H_{2}O \xrightarrow{>\,393\, K }CaSO_{4}$