Which of the following dissociates to give {H | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(C) The acidic strength of hydrides of group $16$ elements increases down the group as the bond dissociation enthalpy decreases. As we move from $O$ t

Vedclass · Accepted Answer

${H_2}Te$

Vedclass · Answer

(C) The acidic strength of hydrides of group $16$ elements increases down the group as the bond dissociation enthalpy decreases. As we move from $O$ to $Te$ in the group,the atomic size increases,which leads to a decrease in the bond strength of the $E-H$ bond. Therefore,the bond between $H$ and $Te$ in ${H_2}Te$ is the weakest,making it the easiest to dissociate and release ${H^{+}}$ ions. Thus,the correct order of acidic strength is ${H_2}O < {H_2}S < {H_2}Se < {H_2}Te$.

Which of the following dissociates to give ${H^{+}}$ most easily?

Similar Questions

Elements of Group $16$ generally show lower value of first ionisation enthalpy compared to the corresponding periods of Group $15$. Why?

In which of the following arrangements is the given sequence not strictly according to the property indicated against it?

Ozone turns tetramethyl base paper to which color?

Ozone,when reacts with potassium iodide solution,liberates a certain product which turns starch paper blue. The liberated substance is......

The most efficient agent for the absorption of $SO_3$ is

Vedclass Test Series

Exam Paper Generator

Online Exam Module