The p-Block Elements questions
1863 published questions with worked solutions.
- The carbon atom in graphite is:
- Which of the following is NOT a correct characteristic of halogens (F, Cl, Br, I)?
- XeF_6 is:
- Among the Group 14 elements C, Si, Ge, Sn and Pb, the lowest first ionisation energy is exhibited by:
- Among the following statements, the correct statement about PH_3 and NH_3 is:
- The element which exists in both hard and soft form is:
- In a molecule of P_4O_ 10 , each phosphorus atom forms three single P–O bonds to bridging oxygens and one terminal P=O bond. What...
- The reaction of P4 with X leads selectively to P4O6, the X is [IIT JEE 2009]
- Match List-I (hydride) with List-II (boiling point) and select the correct answer. Column-I: (A) NH3 (B) PH3 (C) AsH3 (D) SbH3...
- Statement 1: Ozone is a powerful oxidizing agent in comparison to O2 Statement 2: Ozone is diamagnetic but O2 is paramagnetic
- White phosphorus (P4) has
- Statement 1: PCl5 and PbCl4 are thermally unstable Statement 2: They produce same gas on thermal decomposition
- Statement 1: PCl5 is covalent in gaseous and liquid states but ionic in solid state Statement 2: PCl5 in solid state consists of...
- Concentrated sulphuric acid is
- Pyrophosphorous acid, H4P2O5
- Statement 1: Oxygen is more electronegative than sulphur, yet H2S is acidic, while H2O is neutral Statement 2: H-S bond is weaker...
- Statement 1: Red phosphorus is less volatile than white phosphorus Statement 2: Red phosphorus has a discrete tetrahedral...
- Statement 1: The aqueous solution of XeF2 is powerful oxidizing agent Statement 2: The hydrolysis of XeF2 is show in dilute acid...
- Statement 1: All the noble gases have ns2np6 electronic configuration in their outermost shell Statement 2: In noble gases all...
- Complete hydrolysis of XeF2 gives
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