Welcome to your E and PP -4
1.
Maximum oxidation state shown by sulphur is
2.
p-block elements show variable oxidation states due to
3.
Lanthanide contraction is due to
4.
Fe³⁺ is more stable than Fe²⁺ because
5.
Maximum oxidation state of group 15 elements is
6.
Which halogen shows maximum oxidizing power?
7.
Which oxide is amphoteric?
8.
d-block elements have high melting points due to
9.
Which metal shows maximum oxidation states?
10.
Which transition metal has lowest melting point?
11.
Transition metals act as catalysts due to
12.
Which alkaline earth metal compound is covalent?
13.
Sc³⁺ compounds are colourless because
14.
Which oxide is strongly basic?
15.
Inert pair effect is maximum in
16.
Which block shows maximum number of elements?
17.
Which element has highest electronegativity?
18.
Which halogen shows maximum bond dissociation energy?
19.
Magnetic moment of transition metals is due to
20.
Boron does not form B³⁺ because of
21.
Transition metal compounds are coloured due to
22.
Which element shows strongest reducing nature?
23.
Alkali metals show +1 oxidation state because
24.
Which metal shows maximum catalytic activity?
25.
Which noble gas forms maximum compounds?
26.
Sodium imparts yellow colour to flame due to
27.
Which element forms acidic oxide?
28.
Li shows diagonal relationship with
29.
Transition metals are placed between
30.
Which transition metal shows +7 oxidation state?
31.
Fluorine shows lower electron affinity than chlorine due to
32.
Which element shows maximum catenation?
33.
Cu⁺ is colourless while Cu²⁺ is coloured because
34.
Which halogen acid is strongest?
35.
Transition metals form complexes because
36.
Which p-block element forms acidic oxide?
37.
Low ionization energy of alkali metals is mainly due to
38.
Which element shows amphoteric oxide?
39.
Zn is not a transition element because
40.
Which s-block metal is hardest?
41.
Which s-block element has the highest hydration energy?
42.
Noble gases are monoatomic because
43.
Which alkaline earth metal does NOT impart colour to flame?
44.
Which metal does NOT show variable oxidation states?
45.
Solubility of alkali metal carbonates in water
