Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
Manipal MET2020Chemistryp Block Elements (Group 15, 16, 17 & 18)

Which of the following does not exist? I. HO ₃ ~S - S - SO ₃ H II. HO - Te - OH III. HS - S ₂- SH IV. HS-Po-OH

Options

  1. AOnly II
  2. BOnly III
  3. CII and IV
  4. DI, III and IV

Correct answer

C. II and IV

Step-by-step solution

I. H ₂ ~S ₃ O ₆ - trithionic acid is an example of polythionic acid. III. H ₂ ~S ₄ or HS - S - S - SH is an hydrosulfane. The compounds (II) and (IV) do not exist.

Practice p Block Elements (Group 15, 16, 17 & 18) on Quantrex Academy →

More from p Block Elements (Group 15, 16, 17 & 18)

Which among the following is NOT in accordance with the property stated against it? 2026Complete hydrolysis of Xenon hexafluoride gives HF along with compound X. The hybridisation in X is 2025Orthophosphorus acid on disproportionation gives PH ₃ and another oxoacid of phosphorus ' X '. The basicity of X is 2025Observe the following P ₄+ SOCl ₂ Products P ₄+ SO ₂ Cl ₂ Products In both the reactions, a common product ' x ' is obtained. The number of lone pair of elecrons on the central ato 2025The number of P = O , P - P bonds present in oxoacid of phosphorus, prepared by treating red P ₄ with alkali are respectively 2025Which of the following is not correct? 2025Nature of two oxides of nitrogen X and Y formed in the reaction of sodium nitrite with hydrochloric acid is 2025Which of the following is not correct ? 2025 Full p Block Elements (Group 15, 16, 17 & 18) list All Manipal MET PYQs