1
BITSAT 2021
MCQ (Single Correct Answer)
+3
-1

Why only Xe can form compounds with fluorine among noble gases?

A
Large size
B
Low electronegativity
C
High ionisation energy
D
Low electron gain enthalpy
2
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1

Following statements regarding the periodic trends of chemical reactivity to the alkali metals and the halogens are given. Which of these statements gives the correct picture?

A
The reactivity decreases in the alkali metals but increases in the halogens with increase in atomic number down the group.
B
In both the alkali metals and the halogens the chemical reactivity decreases with increase in atomic number down the group
C
Chemical reactivity increases with increase in atomic number down the group in both the alkali metals and halogens.
D
In alkali metals the reactivity increases but in the halogens it decreases with increase in atomic number down the group.
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