Halogens

IMPORTANT

Halogens: Overview

This topic covers concepts, such as, Halogens, Atomic and Physical Properties of Group 17 Elements, Group 17: Fluorine Family & Occurence of Group 17 Elements etc.

Important Questions on Halogens

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IMPORTANT

Which of the following statements is/are true?

(i) Halogens are strong oxidising agents.

(ii) NH3 is clearly basic while PH3 is only feebly basic.

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Which of the following halogens exhibit only one oxidation state in its compounds?

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IMPORTANT

When HCl reacts with finely powdered iron, the chloride formed is:

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Give an example of a displacement reaction.

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The family of elements having seven electrons in the outermost shell is:

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Iodine vapours are violet in colour because the molecules of iodine:

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Fluorine can exist in the oxidation state:

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Which one is the strongest reducing agent?

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Why does fluorine have exceptionally smaller bond dissociation enthalpy?

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What happens, when chlorine reacts with dry slaked lime?
 

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Which of the following Halogen doesn't form any oxide?

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The stronger oxidizing agent is ____. 

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On addition of conc. H2SO4 to a chloride salt, colourless fumes are evolved but in case of iodide salt, violet fumes come out. This is because

MEDIUM
IMPORTANT

Which of the following statements is not true for halogens?

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Iodine is the most electronegative element of group-17 of periodic table.

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Which of the following halogen is radioactive in nature?
 

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Fluorine does not show positive oxidation state due to absence of:


 

HARD
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Iodine can exist in the oxidation states

HARD
IMPORTANT

The strongest oxidising agent is:

EASY
IMPORTANT

Name the family of elements to which chlorine belongs.