The d and f-Block Elements questions
808 published questions with worked solutions.
- Lanthanoid contraction is caused due to
- The actinoids exhibits more number of oxidation states in general than the lanthanoids. This is because
- Larger number of oxidation states are exhibited by the actinoids than those by the lanthanoids, the main reason being
- Knowing that the Chemistry of lanthanoids (Ln) is dominated by its +3 oxidation state, which of the following statements in...
- In context with the transition elements, which of the following statements is incorrect?
- In context of the lanthanoids, which of the following statements is not correct ?
- Which of the following is paramagnetic substance?
- Monazite is a source of
- Ti^ 3+ is purple while Ti^ 4+ is colourless because _____
- Which of the following compounds is coloured? [AIIMS 2008]
- [ Sc(H_2O)_6 ]^ 3+ ion is
- Match the Column and choose the correct option from the codes given below. Column I (Coordination compounds) A. Chlorophyll B....
- Coordination compounds have great importance in biological systems. In this context which of the following statement is incorrect?
- Identify the oxidation states of titanium (Z = 22) and copper (Z = 29) in their colourless compounds. [MHTCET 2011]
- The colour and magnetic nature of manganate ion ( MnO_4^ 2- ) is [MHTCET 2017]
- General electronic configuration of transition elements is
- Which one of the following constitutes a set of transition elements?
- Which among the following forms coloured salts?
- Which among the following ions contains maximum number of unpaired electrons? (At. no. Cr = 24, Ni = 28, Sc = 21, Zn = 30)
- Which of the following electronic configuration is that of a transition element?
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