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

Practical Organic Chemistry question

2021 · 27 Aug · Shift 1 · Q7
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /Practical Organic Chemistry
  5. /2021 · 27 Aug · Shift 1 · Q7

Practical Organic Chemistry question

2021 · 27 Aug · Shift 1 · Q7

JEE MainChemistryPractical Organic ChemistryMCQ+4 / −1
Acidic ferric chloride solution on treatment with excess of potassium ferrocyanide gives a Prussian blue coloured colloidal species. It is :
  1. A
    Fe4[Fe(CN)6]3Fe_4[Fe(CN)_6]_3Fe4​[Fe(CN)6​]3​
  2. B
    K5Fe[Fe(CN)6]2K_5Fe[Fe(CN)_6]_2K5​Fe[Fe(CN)6​]2​
  3. C
    HFe[Fe(CN)6]HFe[Fe(CN)_6]HFe[Fe(CN)6​]
  4. D
    KFe[Fe(CN)6]KFe[Fe(CN)_6]KFe[Fe(CN)6​]
PreviousNext

More from Practical Organic Chemistry

  • Which one of the following tests used for the identification of functional groups in organic compounds does not use copper reagent?2021 · MCQ
  • An organic compound is subjected to chlorination to get compound A using 5.0 g of chlorine. When 0.5 g of compound A is reacted with AgNO3​ [Carius Method], the percentage of chlorine in compound A is ​ when it…2021 · Numerical
  • The transformation occurring in Duma's method is given below : C2​H7​N+(2x+2y​)CuO→xCO2​+2y​H2​O+2z​N2​+(2x+2y​)Cu The value of y is ​…2021 · Numerical
  • In Carius method of estimation of halogen, 0.172 g of an organic compound showed presence of 0.08 g of bromine. Which of these is the correct structure of the compound?2020 · MCQ
  • If you spill a chemical toilet cleaning liquid on your hand, your first aid would be2020 · MCQ
  • In an estimation of bromine by Carius method, 1.6 g of an organic compound gave 1.88 g of AgBr. The mass percentage of bromine in the compound is ​. (Atomic mass, Ag = 108, Br = 80 g mol–1)2020 · Numerical
  • A, B and C are three biomolecules. The results of the tests performed on them are given below:  A  B  C ​ Molisch’s  Test ​ Positive  Positive  Negative ​ Barfoed  Test ​ Negative  Positive  Negative ​ Biuret  Test ​ Negative  Negative  Positive ​​…2020 · MCQ
  • An organic compound neither reacts with neutral ferric chloride solution nor with fehling solution. it however, reacts with Grignard reagent and gives positive iodoform test. The compound is :2019 · MCQ