Question

a colourless, crystalline, hydrated salt of magnesium. On heating, it becom
alt. The number of water
molecules lost by compound is equal to numbe
in green vitriol on heating.
compound
aanby
lecules present in green vitriol on
anhydrous salt. The
water molecule
dentify compound A
1) Identity
the Chemical equation for this heatie
Give the Chemica
y reaction.​

Answer 1

Answer:

Colour of blue vitriol and green vitriol compound is because of

(1) Anhydrous nature of compound.

(2) Loss of water when they are heated.

(3) Water molecule of Crystallisation.

(4) They are naturally coloured.

Explanation:

Answer 2

The given compounds are Epsom salt having chemical formula MgSO4. 7H2O and FeSO4· 7H2O

Explanation:

• Compound A is Epsom salt or Magnesium Sulphate heptahydrate (MgSO4.7H2O)
• Green Vitriol is the compound of iron denoted and has the chemical formula FeSO4· 7H2O
• It has 7 molecules of water.
• So, when the given magnesium salt A is heated it loses 7 molecules of water of crystallisation.
• The colourless crystalline magnesium salt with 7 water of crystallisation is Epsom Salt.