Chapter wise questions on p-Block Elements chapter is provided below. Questions from 26-40 are from this chapter. You can refer to the related post section below for questions from all other chapters for +2 Chemistry.
26) Which of the following does not belong to group 13?
a) B b) Al c) Ge d) In
27) Which of the following is most abundant in earth’s crust?
a) C b) Si c) Ge d) Sn
28) An element which was burnt in limited supply of air to give oxide A which on treatment with water gives an acid B. Acid B on heating gives acid C, which gives yellow precipitate with $ AgNO_{3} $ solution A is:
a) $ SO_{2} $
b) $ NO_{2} $
c) $ P_{2}O_{3} $
d) $ SO_{3} $
29) The compound with garlic odour is:
a) $ P_{2}O_{3} $
b) $ P_{2}O_{5} $
c) $ H_{3}PO_{3} $
d) $ H_{3}PO_{4} $
30) The shape of $ PCI_{5} $ is:
a) pyramidal b) trigonal bipyramidal c) linear d) tetrahedral
31) The compound used as smoke screen:
a) $ PCI_{3} $
b) $ PCI_{5} $
c) $ PH_{3} $
d) $ H_{3}PO_{3} $
32) Which shows only –1 oxidation state?
a) fluorine b) bromine c) chlorine d) iodine
33) One can draw the map of building on a glass plate by:
a) HI b) HF c) HBr d) HCI
34) Among the halogen acid, the weakest acid is:
a) HF b) HCI c) HBr d) HI
35) Halogens belong to the group number:
a) 14 b) 15 c) 17 d) 18
36) The noble gases are un-reactive because they:
a) have same number of electrons
b) have an atomicity of one
c) are gases with low densities
d) have stable electronic configuration
37) The shape of $ XeF_{4} $ is:
a) tetrahedral b) octrahedral c) square planar d) pyramidal
38) Which is not unknown?
a) $ XeF_{6} $
b) $ XeF_{4} $
c) $ XeO_{3} $
d) $ ArF_{6} $
39) The lightest gas which is non-inflammable is:
a) $ He $
b) $ H_{2} $
c) $ N_{2} $
d) $ Ar $
40) Which of the following has highest first ionization energy?
a) He b) Ne c) Ar d) Kr
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