Chemical Properties of Group 17 Elements

Which of the following statements is/are true?

(i) Halogens are strong oxidising agents.

(ii) ${\mathrm{NH}}_3$ is clearly basic while ${\mathrm{PH}}_3$ is only feebly basic.

What are the interhalogen compounds?Give an example.

_____ compound is a molecule that contains two or more different halogen atoms.

An interhalogen compound is a molecule that contains two or more different carbon atoms.

When sodium reacts with chlorine

A solution of potassium dissolved in bromine is treated with each of the following. Which one would liberate molecular bromine?

Why is ${\mathrm{I}}_2$ more soluble in $\mathrm{KI}$ than in water?

Why is ${\mathrm{F}}_2$ most reactive towards metals among halogens?

Which element of Group-$17$ does not show $+1$ oxidation state?

The negative electron gain enthalpy of fluorine is less than that of chlorine. Give reason.

Among hydrogen halides, which of the following has maximum dipole moment?

The poisonous gas which can be prepared from chlorine gas is mustard gas.

${\mathrm{Cl}}_2$ is highly reactive than ${\mathrm{F}}_2$.

$\mathrm{HCl}$ is a stronger acid than $\mathrm{HF}$. Why?

${\mathrm{F}}_2$ is most reactive among the four common halogens. Why?

Fluorine can exist in the oxidation state:

Which one is the strongest reducing agent?