Easy MCQ +4 / -1 PYQ · JEE Mains 2023

Bond dissociation energy of "E-H" bond of the "$\mathrm{H}_{2} \mathrm{E}$ " hydrides of group 16 elements (given below), follows order.

A. $\mathrm{O}$

B. $\mathrm{S}$

C. Se

D. $\mathrm{Te}$

Choose the correct from the options given below:

  1. A $\mathrm{A}>\mathrm{B}>\mathrm{C}>\mathrm{D}$ Correct answer
  2. B $\mathrm{D}>\mathrm{C}>\mathrm{B}>\mathrm{A}$
  3. C $\mathrm{B}>\mathrm{A}>\mathrm{C}>\mathrm{D}$
  4. D $\mathrm{A}>\mathrm{B}>\mathrm{D}>\mathrm{C}$

Solution

<p>The correct order of bond strength is</p> <p>$\mathrm{H_2O > H_2S > H_2Se > H_2Te}$</p>

About this question

Subject: Chemistry · Chapter: Periodic Table and Periodicity · Topic: Periodic Trends

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