19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
An organic compound has the structure It will give
Column I Column II (pair of compounds) (identification test) (a) and (p) Tollen’s reagent test (b) OH and OH (q) Br₂ + H₂O test (c) O || H C OH and (r) Lucas test O || CH C OH (d) and (s) Iodoform test (t) Ammonical C…
Column I Column II (compound) (tests) (a) (p) 2,4-DNP test (b) (q) Yellow ppt. with NaOH + I₂ (c) O || CH C H (r) Red ppt. with Fehling’s solution (d) (s) Silver mirror with Tollen’s reagent
To separate a mixture of amines from each other, one should follow:
Column I Column II (compound) (tests) (a) (p) 2,4-DNP test (b) (q) Yellow ppt. with NaOH + I₂ (c) O || CH C H (r) Red ppt. with Fehling’s solution (d) (s) Silver mirror with Tollen’s reagent
Column I (reagents) Column II
Column I Column II (pair of compounds) (identification test) (a) and (p) Tollen’s reagent test (b) OH and OH (q) Br₂ + H₂O test (c) O || H C OH and (r) Lucas test O || CH C OH (d) and (s) Iodoform test (t) Ammonical C…
Column I Column II (pair of compounds) (test to distinguish) (a) OH and OH (p) Liebermann’s nitroso test (b) (c) and NH₂ Me Me NH (r) Iodoform (d) CH₃– CH₂ – CHO (s) Lucas and CH₃– CHO (t) NaHSO₃
Acetic acid and CH₃COCl can be distinguished by
CHO and CH₃CHO can be distinguished by
HCOOH and HCHO may be distinguished by
Compound A reacts with CHCl₃ and KOH and gives an offesnive smelling compound. A can be
Which of the following reactions occur during the detection of nitrogen in organic substances by Lassaigne’s test?
Which of the following organic compounds will give white precipitate with AgNO₃?
An organic compound has the structure It will give
Phenol can be distinguished from ethanol by
Among the following, which statement is not correct? (a) || H C C OH O will not respond to haloform test
Phenol + Phthalic anhydride Conc.H SO fusion B. → B gives which of the following colour in alkaline medium?
Which one of the following is a chain growth polymer?
The formation of which of the following polymers involves hydrolysis reaction?
Acrilon is a hard, horny and a high melting material. Which of the following represents its structure ? (a) (b) (c) (d)
Which one of the following monomers gives the polymer neoprene on polymerization? (a) (b) (c) (d)
The monomer unit of given compound is:
Which of the following sets contains only thermoplastics?
Which of the following sets contain only copolymers?