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1
JEE Main 2022 (Online) 27th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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BeCl2 reacts with LiAlH4 to give :

A
Be + Li[AlCl4] + H2
B
Be + AlH3 + LiCl + HCl
C
BeH2 + LiCl + AlCl3
D
BeH2 + Li[AlCl4]
2
JEE Main 2022 (Online) 26th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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s-block element which cannot be qualitatively confirmed by the flame test is :

A
Li
B
Na
C
Rb
D
Be
3
JEE Main 2022 (Online) 26th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

The correct order of melting point is :

A
Be > Mg > Ca > Sr
B
Sr > Ca > Mg > Be
C
Be > Ca > Mg > Sr
D
Be > Ca > Sr > Mg
4
JEE Main 2022 (Online) 25th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Which one of the following alkaline earth metal ions has the highest ionic mobility in its aqueous solution?

A
Be2+
B
Mg2+
C
Ca2+
D
Sr2+
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