The p-Block Elements questions
1863 published questions with worked solutions.
- Hypophosphorous acid, H_3PO_2, is [BCECE 2006]
- Which one of the following pentafluorides cannot be formed?
- The following are some statements related to group 15 (VA) hydrides: I. Reducing property increases from NH_3 to BiH_3 II....
- NaNH_2 + N_2O X + NaOH + NH_3. What is X? [OJEE 2007]
- Reaction of HNO_3 with I, S, P and C gives, respectively [WB-JEE 2007]
- How can you synthesise nitric oxide in the laboratory? [OJEE 2003]
- The correct order of boiling points of the hydrides of the nitrogen family is [OJEE 2007]
- NaOH + P_4 + H_2O ? [BCECE 2004]
- Concentrated sulphuric acid can be reduced by
- The industrial name(s) of H_2S_2O_7 is/are [WB-JEE 2006]
- H_2S is not a/an [BCECE 2008]
- Which element is not considered a "chalcogen"? [Guj CET 2009]
- Among the following statements, identify the correct ones: [Kerala CEE 2007] (i) Carbon monoxide is neutral whereas SO_3 is...
- Sulphuric acid has a great affinity for water because [Manipal 2010]
- Excess of PCl_5 reacts with concentrated H_2SO_4 giving [K CET 2008]
- SO_2 does not act as [BITSAT 2006]
- Sulphur does not exist as an S_2 molecule (at ordinary temperature) because [WB-JEE 2007]
- Which of the following is not oxidised by O_3?
- Which of the elements listed below forms a molecule with eight of its own atoms? [WB-JEE 2007]
- Oleum is [WB-JEE 2007]
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