Question

Deuterio hydrate of magnesium sulphate contains how many molecules of heavy water?

• A. $2D_{2}O$
• B. $3D_{2}O$
• C. $10D_{2}O$
• D. $7D_{2}O$

Answer 1

Answer: (D)

$7D_{2}O$

Deuterio hydrate of magnesium sulphate is $MgS{O}_4.7D_{2}O$. So, 7 molecules of heavy water molecules is present.