The p-Block Elements questions
1863 published questions with worked solutions.
- Organic compounds are studied separately from others, because:
- Elements found in explosives are:
- The number of oxygen atoms bonded to one phosphorus atom in P_4O_6 is
- The nature of the bond in diamond is
- Number of non-bonding electron pairs on Xe in XeF_6, XeF_4 and XeF_2 respectively will be
- In XeF_6, the oxidation state, the state of hybridisation of Xe, and the shape of the molecule are respectively
- The number of sigma and pi bonds in peroxodisulphuric acid are respectively
- In P_4O_ 10 , the
- Number of P–O bonds in P_4O_ 10 is
- Which of the following has the maximum number of lone pairs associated with Xe?
- The number of lone pairs of Xe in XeF_2, XeF_4 and XeF_6 respectively are
- In pyrophosphoric acid, H_4P_2O_7 ((HO)_2P(=O)-O-P(=O)(OH)_2), the number of and d -p bonds are respectively
- Compound X is the anhydride of sulphuric acid. The number of bonds and the number of bonds present in X are, respectively
- A chlorine atom in its third excited state reacts with fluorine to form compound X. The formula and shape of X are
- Phosphoric acid is syrupy in nature due to
- In which of the following, unpaired electrons are present: KO_2, AlO_2^-, BaO_2, NO_2^+? **[MP PET 2003]**
- **Statement 1:** Oxygen does not possess d-orbitals in its valence shell. **Statement 2:** The covalency of oxygen is two.
- **Statement 1:** F–F bond has low bond dissociation energy. **Statement 2:** Fluorine has low reactivity.
- Which property of halogens increases from F to I?
- At ordinary temperature and pressure, among halogens, chlorine is a gas, bromine is a liquid and iodine is a solid. This is...
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