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JEE Main 20204 SeptemberEvening Shift

Exam: JEE Main
Year: 2020
Date: 4 September
Shift: Evening Shift
Subject: Chemistry
Chapter: s Block Elements

JEE Main 2020 · 4 September · Evening Shift · Chemistry · s Block Elements

An alkaline earth metal ' M ' readily forms water soluble sulphate...

An alkaline earth metal '

M

' readily forms water soluble sulphate and water insoluble hydroxide. Its oxide

MO

is very stable to heat and does not have rock-salt structure.

M

is

Options

A $Sr$
B $Ca$
C $Mg$
D $Be$

Correct answer

D. $Be$

Step-by-step solution

${BeSO}_{4}$ Soluble in water

$Be ( OH{)}_{2}$ Insoluble in water

Structure of $BeO$ is Hexagonal Wurtzite.

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