The d and f-Block Elements questions
808 published questions with worked solutions.
- Which lanthanoid compound is used as a most powerful liquid laser after dissolving it in selenium oxychloride?
- Variable valency is a general feature of ..... elements.
- Densities of transition metals are:
- Hardness of transition elements is due to:
- Which is not true in the case of transition metals?
- Lightest transition element is:
- Which of the following electronic configurations belongs to a transition element?
- Transition elements are good conductors of current because:
- Which of the following compounds is used as the starting material for the preparation of potassium dichromate?
- Which of the following is paramagnetic?
- Copper metal is not used:
- Which set represents non-typical transition elements?
- Most of the transition metals are paramagnetic due to the presence of:
- The spin-only magnetic moment value of Cr^ 3+ ion is x B.M. The value of 'x' is _____.
- The number of elements present in the 4d series is _____.
- How many of the following are paramagnetic? i. Cu^ 2+ ii. Co^ 3+ iii. Zn^ 2+ iv. V^ 2+ v. Sc^ 3+ vi. Fe^ 3+ vii. Ti^ 4+ viii. Mn^...
- How many unpaired electrons are present in an Fe^ 2+ ion?
- How many of the following belong to the 5d series? Hf, Cd, Cu, Hg, Y, Ag, Pt, Ac
- The electronic configuration of Ce (Z=58) is [Xe]4f^x ,5d^1 ,6s^y. The value of 'x' is _____.
- Out of the following, how many have a spin-only magnetic moment value of 24 B.M.? Fe^ 2+ , Co^ 2+ , Cu^ 2+ , Ti^ 2+ , Cr^ 2+
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