Pure anhydrous `MgCl_(2)` can be prepared from the hydrated salt by

Question

Pure anhydrous `MgCl_(2)` can be prepared from the hydrated salt by

Pure anhydrous `MgCl_(2)` can be prepared from the hydrated salt by
A. heating the hydrate to red heat in the atmosphere of HCl gas
B. melting the hydrate
C. heating the hydrate with coke
D. heating the hydrate with Mg ribbon.

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - A
By heating the hydrate to red heat in the atmosphere of HCl gas. On simple heating, hydrolysis takes place. Hence, to prevent hydrolysis, dry HCl gas is used.

4 views Answered 2023-02-05 15:29