JEE Mains · Chemistry · STD 12 - p -Block elements - ll
Bond dissociation energy of \(E - H\) bond of the " \(H _2 E\) " hydrides of group \(16\) elements (given below), follows order. \((A)\) \(O\) \((B)\) \(S\) \((C)\) \(Se\) \((D)\) \(Te\)
- A \(A > B > C > D\)
- B \(A > B > D > C\)
- C \(B > A > C > D\)
- D \(D > C > B > A\)
Answer & Solution
Correct Answer
(A) \(A > B > C > D\)
Step-by-step Solution
Detailed explanation
Bond dissociation energy of \(E - H\) bond in hydrides of group \(16\) follows the order \(H _2 O > H _2 S > H _2 Se > H _2 Te\)
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- The number of photons emitted by a monochromatic (single frequency) infrared range finder of power \(1\, \mathrm{~mW}\) and wavelength of \(1000 \,\mathrm{~nm}\), in \(0.1\) \(second\) is \(\mathrm{x}\, \times 10^{13}\). The value of \(\mathrm{x}\) is ..... . (Nearest integer) \(\left(\mathrm{h}=6.63 \times 10^{-34}\, \mathrm{Js}, \mathrm{c}=3.00 \times 10^{8} \,\mathrm{~ms}^{-1}\right)\)JEE Mains 2021 Medium
- Solution of \(12\,g\) of non - electrolyte \((A)\) prepared by dissolving it in \(1000\,mL\) of water exerts the same osmotic pressure as that of \(0.05\,M\) glucose solution at the same temperature. The empirical formula of \(A\) is \(CH _2 O\). The molecular mass of \(A\) is \(..........g\). (Nearest integer)JEE Mains 2023 Medium
- In an oligopeptide named Alanylglycylphenyl alanyl isoleucine, the number of \(sp ^2\) hybridised carbons is \(...........\).JEE Mains 2023 Hard
- Given below are two statements: Statement \(I :\) Bohr's theory accounts for the stability and line spectrum of \(Li ^{+}\) ion. Statement \(II :\) Bohr's theory was unable to explain the splitting of spectral lines in the presence of a magnetic field. In the light of the above statements, choose the most appropriate answer from the options given below:JEE Mains 2021 Medium
- The fragrance of flowers is due to the presence of some steam volatile organic compounds called essential oils. These are generally insoluble in water at room temperature but are miscible with water vapour in vapour phase. \(A\) suitable method for the extraction of these oils from the flowers is _______.JEE Mains 2024 Hard
- Among the following reactions of hydrogen with halogens, the one that requires a catalyst isJEE Mains 2019 Hard
More PYQs from JEE Mains
- The unsaturated ether acidic hydrolysis produces carbonyl compounds as shown below :-

Based on this, predict the solution / reagent that will help to distinguish "P" and "Q" obtained in the following reaction.
JEE Mains 2026 Medium - An insulating thin rod of length \(l\) has a linear charge density \(\rho \left( x \right) = {\rho _0}\,\frac{x}{l}\) on it. The rod is rotated about an axis passing through the origin \((x = 0)\) and perpendicular to the rod. If the rod makes \(n\) rotations per second, then the time averaged magnetic moment of the rod isJEE Mains 2019 Hard
- Let \(\vec a\) and \(\vec b\) be two unit vectors such that \(\left| {\vec a\, + \,\vec b} \right| = \sqrt 3 .\) If \(\vec c = \vec a\, + \,2\vec b + 3\,(\vec a \times \vec b),\) then \(2\left| {\vec c} \right|\) is equal toJEE Mains 2015 Hard
- The radius of the \(2^{\text {nd }}\) orbit of \(Li ^{2+}\) is \(x\). The expected radius of the \(3^{\text {rd }}\) orbit of \(Be ^{3+}\) isJEE Mains 2023 Hard
- In an \(LCR \) circuit as shown below both switches are open initially. Now switch \(S_1\) is closed, \(S_2\) kept open. ( \(q\) is charge on the capacitor and \(\tau = RC\) is Capacitive time constant). Which of the following statement is correct?
JEE Mains 2013 Medium - The \(IUPAC\) name of the complex \(\left[\mathrm{Pt}\left(\mathrm{NH}_{3}\right)_{2} \mathrm{Cl}\left(\mathrm{NH}_{2} \mathrm{CH}_{3}\right)\right] \mathrm{Cl}\) isJEE Mains 2020 Medium