The p-Block Elements questions
1863 published questions with worked solutions.
- Bleaching powder is obtained by the interaction of Cl_2 and:
- A gas reacts with CaO and not with NaHCO_3 is:
- Na + O_2 Burnt 'p'. Oxidation state of oxygen in 'p' is ______.
- Mg + N_2 [ air ] x. What is the atomicity of product 'x'?
- Buckminster-fullerene is a variety of
- In III A group, Tl (thallium) shows +1 oxidation state while other members show +3 oxidation state, why?
- Graphite is a soft solid lubricant extremely difficult to melt. The reason for this anomalous behaviour is that graphite
- Which of the following does not contain silicon?
- The relative Lewis acid character of boron trihalides is in the order [AMU 2004]
- Which one shows most pronounced inert pair effect?
- Which is a correct statement about diborane structure? [DCE 2009]
- Red lead is an example of [AMU 2003]
- The tendency for catenation in Group 14 elements varies in the order [DCE 2005]
- What product is formed on heating lead nitrate? [OJEE 2009]
- What is the number of free electrons present on each carbon atom in graphite?
- Which of the following is used in making printer's ink, shoe polish, black varnish and paint? [WB-JEE 2007]
- H_3BO_3 is [IIT JEE 2003]
- Buckminster fullerene is [UP SEE 2006]
- An element 'X' which occurs in the first short period has an outer electronic structure s^2p^1. What is the formula and acid-base...
- Moissan boron is [DCE 2003]
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