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JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

1 Easy

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Analyzing +4 | -1

Statement I:

F

is more electronegative than

Cl.

Statement II:

F

has high electron affinity than

Cl.

View answer and explanation

Correct option: C

If statement 1 is true but statement 2 is false

Option C (If statement 1 is true but statement 2 is false) is correct because Fluorine is more electronegative than Chlorine, but Chlorine has a higher electron affinity than Fluorine.

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The compounds of the s-block elements, with the exception of lithium and ...

X

... are predominantly ionic. Here,

X

refers to Among the following elements, the most electronegative is: The pair of amphoteric hydroxides is The element with atomic number 117 if discovered would be placed in The correct order of size among

\mathrm{O}, \mathrm{O}^{2-}, \mathrm{F}

and

\mathrm{F}^{-}

is: The electronic configuration of four elements are given below. Which elements does not belong to the same family as others?