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
aK Cr O bKCl cH SO → xCrO Cl yKHSO zH O The above equation balances when
n-factor of Ba(MnO₄)₂ in acidic medium is
For the reaction, H PO NaOH NaH PO H O → What is the equivalent weight of H₃PO₂? (mol. wt. is M)
n-factor of Ba(MnO₄)₂ in acidic medium is
For the reaction, H PO NaOH NaH PO H O → What is the equivalent weight of H₃PO₂? (mol. wt. is M)
aK Cr O bKCl cH SO → xCrO Cl yKHSO zH O The above equation balances when
CHO and CH₃CHO can be distinguished by
Acetic acid and CH₃COCl can be distinguished by
To separate a mixture of amines from each other, one should follow:
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…
Column I (reagents) Column II
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
Compound A reacts with CHCl₃ and KOH and gives an offesnive smelling compound. A can be
Among the following, which statement is not correct? (a) || H C C OH O will not respond to haloform test
Phenol can be distinguished from ethanol by
Phenol + Phthalic anhydride Conc.H SO fusion B. → B gives which of the following colour in alkaline medium?
An organic compound has the structure It will give
Which of the following organic compounds will give white precipitate with AgNO₃?
Which of the following reactions occur during the detection of nitrogen in organic substances by Lassaigne’s test?
CHO and CH₃CHO can be distinguished by
Acetic acid and CH₃COCl can be distinguished by