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General Principles and processes of Isolation of Elements
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$Al _{2} O _{3}$ was leached with alkali to get $X$. The solution of $X$ on passing of gas $Y$, forms $Z . X$ $Y$ and $Z$ respectively are
A
$X = Na \left[ Al ( OH )_{4}\right], Y = SO _{2}, Z = Al _{2} O _{3}$
B
$X = Na \left[ Al ( OH )_{4}\right], Y = CO _{2}, Z = Al _{2} O _{3} \cdot xH _{2} O$
C
$X = Al ( OH )_{3}, Y = CO _{2}, Z = Al _{2} O _{3}$
D
$X = Al ( OH )_{3}, Y = SO _{2}, Z = Al _{2} O _{3} \cdot xH _{2} O$
(JEE MAIN-2021)
Solution
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So
$X : Na \left[ Al ( OH )_{4}\right]$
$Y : CO _{2}$
$Z : Al _{2} O _{3} \cdot xH _{2} O$
Standard 12
Chemistry
