AIEEE 2006 Solved Paper

Section: Chemistry

Question : 6 of 143

Marks: +1, -0

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

[AIEEE 2006]

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

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