Choose the correct alternate (s).   (I) `BeCO_(3)` is kept in the stmosphere of `CO_(2)` since it
Channel: Doubtnut
Date: 2020-04-12

Choose the correct alternate (s).   (I) `BeCO_(3)` is kept in the stmosphere of `CO_(2)` since it is least thermally stable.   (II) Be dissolved in an alkali forming `[Be(OH)_(4)]^(2-)`   (III) `BeF_(2)` forms complex ion with `NaF` in which `Be` goes with cation.   (IV) `BeF_(2)` forms complex ion with `NaF` in which `Be` goes with anion.