JEE Advanced questions
3844 published questions with worked solutions.
- Europium is
- The colour imparted by Co(II) compounds to glass is
- The transition metal used as a catalyst is
- Magnetic moment of [Ni(CN)_4]^ 2- is zero but that of [Ni(H_2O)_4]^ 2+ is 2.83 BM. It is because of
- First IE of 5d-elements are higher than those of 3d and 4d-elements. This is due to
- Ni^ 2+ , in traces, can be tested using
- Effective atomic number (EAN) of Fe in brown ring complex [Fe(H_2O)_5NO]^ 2+
- Uranium reacts with conc. HNO_3
- Stability of Cu^+ and Ag^+ halide complexes are in the order
- Misch metal is
- The main reason for larger number of oxidation state exhibited by the actinides than that corresponding lanthanides, is
- There are three electrons unpaired in [Co(H_2O)_6]^ 2+ and calculated value of magnetic moment is 3.87 BM which is quite...
- To protect iron against corrosion, the most durable metal plating on it, is
- The lanthanide contraction is responsible for the fact that
- Consider the following statement I. The size of the lanthanide M^ 3+ ions decreases as the atomic number of M increases. II....
- Second ionization energies of chromium and copper are larger than those of their neighbouring elements (V, Mn, Ni, Zn). It is due...
- The incorrect statement for d-block element is
- For Ni and Pt different IP in MJ ,mol^ -1 are given below: (IP)_1 + (IP)_2: Ni = 2.49, Pt = 2.60. (IP)_3 + (IP)_4: Ni = 8.80, Pt...
- Magnetic moment of Cr(Z = 24), Mn^+(Z = 25) and Fe^ 2+ (Z = 26) are x, y, z. They are in order
- Increasing value of magnetic moments of I: Ni(CO)_4, II: [Ti(H_2O)_6]^ 2+ , III: [V(H_2O)_6]^ 3+ , IV: [V(H_2O)_6]^ 2+ is