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Periodic Table and Periodicity question

2006 · Shift 0 · Q48
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Periodic Table and Periodicity question

2006 · Shift 0 · Q48

JEE MainChemistryPeriodic Table and PeriodicityMCQ+4 / −1
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?
  1. A
    The reactivity decreases in the alkali metals but increases in the halogens with increase in atomic number down the group
  2. B
    In both the alkali metals and the halogens the chemical reactivity decreases with increase in atomic number down the group
  3. C
    Chemical reactivity increases with increase in atomic number down the group in both the alkali metals and halogens
  4. 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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