Reactions of Group 17 Elements

IMPORTANT

Reactions of Group 17 Elements: Overview

This topic covers concepts, such as, Electronegativity of Halogens, Chemical Properties of Group 17 Elements, Reaction of Chlorine with HBr & Properties of Hydrogen Halides etc.

Important Questions on Reactions of Group 17 Elements

MEDIUM
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.

EASY
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

Give the chemical reaction of chlorine with HBr.

EASY
IMPORTANT

Fluorine can exist in the oxidation state:

MEDIUM
IMPORTANT

Which one is the strongest reducing agent?

EASY
IMPORTANT

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

EASY
IMPORTANT

The stronger oxidizing agent is ____. 

MEDIUM
IMPORTANT

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?

MEDIUM
IMPORTANT

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

HARD
IMPORTANT

Iodine can exist in the oxidation states

HARD
IMPORTANT

The strongest oxidising agent is:

MEDIUM
IMPORTANT

Out of all the halogen hydro acids, the weakest is:

EASY
IMPORTANT

What is the product formed when I2 dissolves appreciably in aqueous solution of KI . 

MEDIUM
IMPORTANT

The reaction which is not feasible?
 

EASY
IMPORTANT

For the elements F, Cl, O and N, the correct decreasing order of their chemical reactivity in terms of oxidizing property is

MEDIUM
IMPORTANT

Among the given combinations how many are correctly matched.

(A) Order of oxidizing strength: F2>Cl2>Br2>I2
(B) Order of melting point: HF>Hl>HBr>HCl
(C) Order of bond dissociation enthalpy: Cl2>Br2>F2>I2
(D) Order of first ionization energy: B>TI>Ga>Al>ln

HARD
IMPORTANT

Which of the following statement about reactions given below are correct

When  Na2S2O3  react with    Cl2 , Br2 and I2 respectively.

EASY
IMPORTANT

Consider the reaction,

H2+X22HX, where X is halogen. The reactivity of halogens decrease in the order of