JEE Advanced questions
3844 published questions with worked solutions.
- Atoms of the transition elements are smaller than those of the s-block elements. This is because of
- MnO_4^- is of intense pink colour, though Mn is in (+7) oxidation state. It is due to
- K_3[Fe(CN)_6] is used as an external indicator in the dichromate estimation of Fe^ 2+ . Following change is observed
- In an atmosphere with industrial smog, Cu corrodes to
- Which of the following is colourless?
- Factors which affect the stability of the compounds are
- AgCl and NaCl are colourless. NaBr and NaI are also colourless but AgBr and AgI are coloured. This is due to
- Cu^ 2+ has a stronger polarizing power than that of Ca^ 2+ because
- Hg_2Cl_2 ionises as .... and cation has .... unpaired electron(s)
- Out of AgNO_3, AgF and AgClO_4, water soluble salts are
- Select the coloured and paramagnetic ions
- In which case(s) there is change in oxidation number
- Isomorphous salts areNot in JEE Main or NEET syllabus
- Mixture is supposed to contain nitrates of Pb^ 2+ and Hg_2^ 2+ . On adding dil. HCl both are precipitated as white precipitate....
- Cuprous ion is colourless while cupric ion is coloured because
- Which among the following is consumed by humans in the elemental form?Not in JEE Main or NEET syllabus
- Which catalyst is matched according to its name and function Catalyst / Name / FunctionNot in JEE Main or NEET syllabus
- Paramagnetism is given by the relation = 2 s(s+1) magnetons where 's' is the total spin. On this basis, the paramagnetism of Cu^+...
- Coagulation of blood takes place byNot in JEE Main or NEET syllabus
- The oxygen carrying pigment, oxy-haemocyanin, containing two copper ions is diamagnetic, because