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Chemistry
General formula of aluminium alums is ( M1 is monovalent cation)
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Q. General formula of aluminium alums is ( $M^1$ is monovalent cation)
The p-Block Elements
A
$\left[M^{ I }\left( H _2 O \right)_6\right]\left[ Al \left( H _2 O \right)_6\right]\left( SO _4\right)_2$
B
$\left[M^{ I }\left( H _2 O \right)_4\right]\left[ Al \left( H _2 O \right)_6\right]\left( SO _4\right)_2$
C
$\left[M^{ I }\left( H _2 O \right)_4\right]\left[ Al \left( H _2 O \right)_4\right]\left( SO _4\right)_4$
D
$\left[M^1\left( H _2 O \right)_6\right]\left[ Al \left( H _2 O \right)_6\right]\left( SO _4\right)_4$
Solution:
Correct answer is (a) $\left[M^{ I }\left( H _2 O \right)_6\right]\left[ Al \left( H _2 O \right)_6\right]\left( SO _4\right)_2$