Chemistry - Complete s-block Question with Solution | TestHub

ChemistryComplete s-blocks-block IIAMedium2 minQB

ChemistryMediummultiple choice

Which of the following is / are CORRECT statement(s)?

Answer:

C, D

Solution:

(A) $MgCl_{2} \cdot 6 H_{2} O \to MgO + 2 HCl + 5 H_{2} O$ ,

$CaCl_{2} \cdot 6 H_{2} O \to$ anhydrous $CaCl_{2} + 6 H_{2} O$

(B) Both Be and Al dissolve in alkali

$Be + NaOH \to Na_{2} BeO_{2} + H_{2}$

$2 Al + 2 NaOH + 2 H_{2} O \to 2 NaAlO_{2} + 3 H_{2}$

quick lime

(D) $2 BeCl_{2} + LiAlH_{4} \to 2 BeH_{2} + LiAlCl_{4}$

Stream:JEESubject:ChemistryTopic:Complete s-blockSubtopic:s-block IIA

⏱ 2mℹ️ Source: QB

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