The p-Block Elements questions
1863 published questions with worked solutions.
- Which of the following statements regarding sulphur is incorrect? [AIEEE 2011]
- Copper turnings on heating with concentrated H_2SO_4 produce
- The element evolving two different gases on reaction with concentrated sulphuric acid is
- Oxidation state(s) exhibited by sulphur include [UP SEE 2003]
- In the laboratory, H_2S gas is prepared by using black lumps and dilute H_2SO_4. The black lumps are
- The acidity of the hydrides of O, S, Se, Te varies in the order [AMU 2004]
- In the presence of moisture, SO_2 can [BCECE 2006]
- The substance which does not liberate oxygen on treatment with ozone is
- When PCl_5 reacts with sulphuric acid, sulphuryl chloride (SO_2Cl_2) is formed as the final product. This shows that sulphuric...
- When concentrated H_2SO_4 is heated with P_2O_5, the acid is converted into [K CET 2007]
- Ozone is used for purifying water because [BCECE 2008]
- Which of the following is not a peroxy acid? [EAMCET 2007]
- The bleaching action of SO_2 is due to its [WB-JEE 2006]
- Which compound gives chlorine dioxide when it reacts with SO_2 in the presence of acid? [Guj CET 2010]
- Which of the following is called Berthollet's salt?
- SO_2 acts as a temporary bleaching agent but Cl_2 acts as a permanent bleaching agent. Why? [OJEE 2004]
- With cold, dilute NaOH, fluorine reacts to give [MHT-CET 2004]
- Concentrated hydrochloric acid, when kept in open air, sometimes produces a cloud of white fumes. The explanation for this is...
- A reaction of the type 2X_2 + S SX_4 is shown by sulphur when X is [DCE 2003]
- What is the oxidising agent in chlorine water? [OJEE 2004]
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