19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Assertion (A): The compounds of alkaline earth metals are more extensively hydrated than those of alkali metal. Reason (R): This is due to low hydration energy of alkaline earth metal as compared to alkali metal.
Monovalent ions are …A…than parent atom. Here, A refers to
Which of the following choice(s) represents(s) physical properties of alkali metals?
Atomic and ionic radii of alkali metals …X… on moving down the group. Here, X refer to
The oxidation state of K in KO2 is …A… and the bonding type is …B… Here, A and B refer to
Which of the following is correctly represented according to their existence? I. MgCl2 .6H2O II. NaCl. 6H2O III. KCl. 6H2O IV. CaCl2. 6H2O
Beryllium and magnesium do not impart any colour to the flame test. The reason is that
The diagonal relationship of elements arises due to the similarity in
Alkali metals show regular trend in their physical and chemical properties with the
The alkaline earth metals have smaller size than those of corresponding alkali metals, this is due to
Which of the following shows diagonal relationship?
All alkaline metals have …A… valence electrons(s). Here, A refer to
Along the group, size and ionization enthalpy of the group II elements(s) … and … respectively.
Among the alkali metals …A and …B… are relatively more abundant in nature. Here A and B refer to
Group II elements with exceptions of beryllium are known as alkaline earth metals. These are so called because their …A…and …B… are alkaline in nature. Here, A and B refer to
Which of the following does not belong to alkaline earth metal?
…X and …Y…Shown diagonal similarity. Here, X and Y refer to
Alkali metals readily …X… electron to give monovalent M+ ion. Here, X refer to
The atomic and ionic radii of the alkaline earth metals are …A… than those of the corresponding alkali metals in the corresponding period Here, A refers to
The first ionization enthalpy of the alkaline earth metals are …X…. that of corresponding group I metal. Here, X refers to
Alkali metal reacts with water vigorously to form hydroxides and dihydrogen. Which of the following alkali metals reacts with water least vigorously?
s-subshell can accommodate maximum number of
Alkali metals have …X… size in a particular period. Here, X refer to
Ground state valence shell electronic configuration of barium is
Which of the following is correctly order regarding hydration enthalpies of alkaline earth metals?