JEE Advanced questions
3844 published questions with worked solutions.
- Which of the following halides react(s) with AgNO_3(aq) to give a precipitate that dissolves in Na_2S_2O_3(aq)?
- Match the species in Column I (that can react — oxidize, reduce, or give a precipitate) with the species in Column II, and select...
- How many of the following are paramagnetic as well as coloured species? O_2, NO_2, Cu^ 2+ , Hg_2^ 2+ , Fe^ 2+ , Fe^ 3+ ,...
- In the standard iodometric estimation of Cu^ 2+ (CuSO_4 treated with KI, then the liberated iodine titrated with Na_2S_2O_3...
- How many of the following use the outer d-orbital in complex formation? [Ni(H_2O)_4]^ 2+ , Ni(CO)_4, [Ni(CN)_4]^ 2- , [Fe(CN)_6]^...
- How many of the following have underlined atoms in different (non-uniform) oxidation states? HgI_4^ 2- , S_2O_3^ 2- , S_4O_6^ 2-...
- How many of the following pairs have approximately equal radii? (Zr, Hf), (Nb, Ta), (Cr, Mn), (Mn, Fe), (Nb^ 3+ , Ta^ 3+ ), (Zr^...
- How many distinct chromium-containing compounds are formed when K_2Cr_2O_7 solution is made alkaline?
- Match list I and list II and choose the correct matching codes Column-I: (A) [Ni(CN)_4]^ 2- (B) Chlorophyll (C) Ziegler-Natta...
- Among the following complexes (K-P), K_3[Fe(CN)_6] (K), [Co(NH_3)_6]Cl_3 (L), Na_3[Co(ox)_3] (M), [Ni(H_2O)_6]Cl_2 (N), and...
- In spectrochemical series chlorine is above than water i.e., Cl > H_2O, this is due to [IIT JEE 2009]
- Statement 1: [Cr(NH_3)_6]^ 3+ is paramagnetic. Statement 2: [Cr(NH_3)_6]^ 3+ shows d^2sp^3 hybridisation.
- Statement 1: F^- ion is weak ligand and forms outer orbital complex. Statement 2: F^- ion can not force the electrons of d_ z^2...
- Statement 1: [Ti(H_2O)_6]^ 3+ is coloured while [Sc(H_2O)_6]^ 3+ is colourless. Statement 2: d-d transition is not possible in...
- Statement 1: Geometrical isomerism is also called cis-trans isomerism. Statement 2: Tetrahedral complexes show geometrical...
- Statement 1: d-d transition is not possible in [Sc(H_2O)_6]^ 3+ Statement 2: [Ti(H_2O)_6]^ 4+ is coloured while [Sc(H_2O)_6]^ 3+...
- Statement 1: Highly charged cations are expected to form most strongly acidic hydrated cations Statement 2: The acidity of a...
- Statement 1: Hydrazine has two N as donor atoms and behaves as a chelating ligand Statement 2: Hydrazine is a neutral ligand
- Statement 1: Ions with more than five 3d electrons have usually slightly larger magnetic moment than calculated on the basis of =...
- K_4[Fe(CN)_6] is used in the identification of