Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET
Exam
NEET
Subject
Chemistry
Chapter
Redox Reactions

NEET · Chemistry · Redox Reactions

What dramatic color change occurs when K 2 Cr 2 O 7 is used as an...

What dramatic color change occurs when K2Cr2O7 is used as an indicator in a titration?

Options

  1. APink to colorless
  2. BBlue to yellow
  3. CRed to green
  4. DYellow to blue

Correct answer

B. Blue to yellow

Step-by-step solution

K2Cr2O7
Practice Redox Reactions on Quantrex Academy →

More from Redox Reactions

Calculate the oxidation number of sulfur in H_2SO_4 . MHT CET Medical 2026Consider the following compounds : K O_2, H_2 O _2 and H_2 S O_4 The oxidation state of… MHT CET Medical 2026What is the oxidation number of phosphorus in Mg_2P_2O_7 ? MHT CET Medical 2026Identify oxidant and reductant, respectively, in the following reaction: Zn(s) + Cu^ 2+… MHT CET Medical 2026Which of the following is true regarding oxidation? MHT CET Medical 2026In a reaction, 2H_2S + SO_2 arrow 2H_2O + 3S Identify the substance oxidized. MHT CET Medical 2026Predict the oxidation number of of 'C' in K_2C_2O_4 and in CH_2Cl_2 . MHT CET Medical 2026The oxidation process involves MHT CET Medical 2026 Full Redox Reactions list All NEET PYQs