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