Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Redox Reactions question

2023 · 6 Apr · Shift 1 · Q5
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /Redox Reactions
  5. /2023 · 6 Apr · Shift 1 · Q5

Redox Reactions question

2023 · 6 Apr · Shift 1 · Q5

JEE MainChemistryRedox ReactionsMCQ+4 / −1
Which of the following options are correct for the reaction 2[Au(CN)2]−(aq)+Zn(s)→2Au(s)+[Zn(CN)4]2−(aq)2\left[\mathrm{Au}(\mathrm{CN})_{2}\right]^{-}(\mathrm{aq})+\mathrm{Zn}(\mathrm{s}) \rightarrow 2 \mathrm{Au}(\mathrm{s})+\left[\mathrm{Zn}(\mathrm{CN})_{4}\right]^{2-}(\mathrm{aq})2[Au(CN)2​]−(aq)+Zn(s)→2Au(s)+[Zn(CN)4​]2−(aq) A. Redox reaction B. Displacement reaction C. Decomposition reaction D. Combination reaction Choose the correct answer from the options given below:
  1. A
    A and B only
  2. B
    C and D only
  3. C
    A only
  4. D
    A and D only
PreviousNext

More from Redox Reactions

  • 2IO3−​+xI−+12H+→6I2​+6H2​O What is the value of x ?2023 · MCQ
  • The sum of oxidation state of the metals in Fe(CO)5​,VO2+ and WO3​ is ​.2023 · Numerical
  • Given below are two statements: Statement I : In redox titration, the indicators used are sensitive to change in pH of the solution. Statement II : In acid-base titration, the indicators used are sensitive to change in oxidation…2023 · MCQ
  • In alkaline medium, the reduction of permanganate anion involves a gain of ​ electrons.2023 · Numerical
  • See the following chemical reaction: Cr2​O72−​+XH++6 Fe2+​→YCr3++6 Fe3+​+ZH2​O The sum of X,Y…2023 · Numerical
  • The density of a monobasic strong acid (Molar mass 24.2 g/mol) is 1.21 kg/L. The volume of its solution required for the complete neutralization of 25 mL of 0.24 M NaOH is ​× 10 −2 mL (Nearest integer)2023 · Numerical
  • The oxidation state of phosphorus in hypophosphoric acid is + ​.2023 · Numerical
  • The neutralization occurs when 10 mL of 0.1M acid 'A' is allowed to react with 30 mL of 0.05 M base M(OH)2​. The basicity of the acid 'A' is ​. [M is a metal]2022 · Numerical