Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
MHT CET202016 Oct 2020Evening ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual

Which among the following is used as an oxidizing agent to bleach wood pulp into white paper?

Options

  1. AMn ( OH )₂
  2. BCl ₂
  3. CH ₂ O ₂
  4. DNaOCl

Correct answer

B. Cl ₂

Step-by-step solution

( Cl ₂ ) (Chlorine) is a bleaching chemical used to turn wood pulp into white paper. A bleaching agent is a chemical that has the ability to whiten or decolorize other materials. The amount of organochloride chemical produced is reduced when chlorine dioxide is used. Chlorine dioxide is used in ECF bleaching sequences to make around (95 % ) of all bleached Kraft pulp.

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 MHT CET PYQs