The p-Block Elements questions
1863 published questions with worked solutions.
- CO reacts with chlorine in the presence of sunlight to give:
- The difference between diamond and graphite is due to:
- Lead(IV) oxide is obtained by:
- CCl_4 does not show hydrolysis but SiCl_4 is readily hydrolysed because:
- Diamond and graphite are:
- Elements of p-block have the valence shell electronic configuration as ns^2 np^ 1-x , where the modern periodic table's group...
- The total number of groups in the p-block of the modern periodic table is _________.
- The outer electronic configuration of group 13 is given as ns^2 np^x, where the value of 'X' is _________.
- The number of electrons in the p-orbitals of the valence shell for group 14 elements is _________.
- The group 15 elements have _________ electrons in the outermost shell.
- Among the following oxides, how many are amphoteric: CO_2, PbO_2, GeO_2, B_2O_3, Al_2O_3, Tl_2O_3, Ga_2O_3, SiO_2?
- Boron exhibits a maximum covalency of _________.
- The number of elements from the following that belong to group 13 is _________. Al, Si, C, As, Ga, Ge, Tl, Pb, Sb, B
- The number of elements from the following that belong to group 14 is _________. In, Te, Si, C, Ga, Ge, Tl, Pb, Sn, Bi
- The number of double bonds in borazine is _________.
- The common oxidation states of lead are +2 and _________.
- Consider the following three reactions: BF_3 + LiAlH_4 ether A + B + C BF_3 + NaH 450 K D + E Na_2B_4O_7 + 7H_2O F + G Out of the...
- The number of five-membered rings in one molecule of Buckminsterfullerene (C_ 60 ) is _________.
- The ion formed by the reaction of HNO₂ and H₂SO₄ is
- In the estimation of sulphur in an organic compound, fuming nitric acid is used to convert sulphur into
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