When $Cl_2$ is passed through cold dil. $NaOH$,the products are:

Hydrofluoric acid $(HF)$ cannot be stored in glass bottles because it reacts with glass $(SiO_2)$ to form:

Chlorine on reaction with hot and concentrated sodium hydroxide gives

Which one of the following orders is not in accordance with the property stated against it?

Which among the following is a powerful bleaching and oxidising agent?

Assertion : $SF_6$ cannot be hydrolysed but $SF_4$ can be.
Reason : $Six$ $F$ atoms in $SF_6$ prevent the attack of $H_2O$ on sulphur atom of $SF_6$.