1
IIT-JEE 2001 Screening
MCQ (Single Correct Answer)
+1
-0.25
The set representing the correct order of first ionization potential is
2
IIT-JEE 1996
MCQ (Single Correct Answer)
+1
-0.25
The following compounds have been arranged in order of their increasing thermal stabilities. Identify the correct order
K2CO3 (A), MgCO3 (B), CaCO3 (C), BeCO3 (D)
K2CO3 (A), MgCO3 (B), CaCO3 (C), BeCO3 (D)
3
IIT-JEE 1994
MCQ (Single Correct Answer)
+2
-0.5
Statement (S) The alkali metals can form ionic hydrides which contain the hydride ion H-.
Explanation (E) The alkali metals have low electronegativity; their hydrides conduct electricity when fused and liberate hydrogen at the anode.
Explanation (E) The alkali metals have low electronegativity; their hydrides conduct electricity when fused and liberate hydrogen at the anode.
4
IIT-JEE 1991
MCQ (Single Correct Answer)
+1
-0.25
The volume strength of 1.5 N H2O2 solution is
Questions Asked from s-Block Elements (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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