19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
n-factor of Ba(MnO₄)₂ in acidic medium is
aK Cr O bKCl cH SO → xCrO Cl yKHSO zH O The above equation balances when
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
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…
CHO and CH₃CHO can be distinguished by
Acetic acid and CH₃COCl can be distinguished by
Column I (reagents) Column II
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?
Compound A reacts with CHCl₃ and KOH and gives an offesnive smelling compound. A can be
An organic compound has the structure It will give
HCOOH and HCHO may be distinguished by
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
Phenol + Phthalic anhydride Conc.H SO fusion B. → B gives which of the following colour in alkaline medium?
Among the following, which statement is not correct? (a) || H C C OH O will not respond to haloform test
To separate a mixture of amines from each other, one should follow:
Phenol can be distinguished from ethanol by
CF₂ = CF₂ is a monomer of
Bakelite is obtained from phenol by reacting with
Which one is classified as a condensation polymer?
The polymer containing strong intermolecular forces, i.e. hydrogen bonding, is
Which of the following is fully fluorinated polymer?
Which of the following is a polyamide?
Nylon threads are made up of
The monomer unit of given compound is: