19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
When sodium nitrate is heated above 800° C then (JCECE 2006)
Main process for the manufacture of sodium carbonate is (MP PMT 2006)
Which compound will show the highest lattice energy? (AIPMT 1993)
Which one of the following properties of alkali metals increases in magnitude as the atomic number reises? (AIPMT 1989)
Magnesium burns in air to produce MgO and …X… with …Y… flame. Here, X and Y refer to
Powder of beryllium burns in air frequently to produce
Beryllium and Magnesium are kinetically inert to oxygen and water because of formation of …X.. on their surface. Here, X refer to
Beryllium and magnesium do not impart any colour to the flame test. The reason is that
Match the Column I and Column II according to element and their characteristics colours, appears in flame test and select the correct option from the codes given below. Column I Column II A. Ca 1. Apples green B. Sr 2…
Melting and boiling point of the alkaline earth metal are …X… than the corresponding alkali metal due to …Y… sizes. Here, X and Y refer to s-BLOCK
Alkali metals are generally silvery white but beryllium and magnesium appears to be
Alkaline earth metals are …X… than that of alkali metals. Here, X 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
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.
Hydration energy of alkaline earth metal has …A… value to that of alkali metal. Here, A refer to
Which of the following is correctly order regarding hydration enthalpies of alkaline earth metals?
The first ionization enthalpy of the alkaline earth metals are …X…. that of corresponding group I metal. Here, X refers to
Along the group, size and ionization enthalpy of the group II elements(s) … and … respectively.
The alkaline earth metals have smaller size than those of corresponding alkali metals, this is due 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
Nature of bonding present in compounds of alkaline earth metals are
Ground state valence shell electronic configuration of barium is
Which of the following is not an alkaline earth metal?
Beryllium has …A… Property from rest of alkaline earth metals and show diagonal relationship with …B… Here, A and B refer to
What approximate amount of ATP is used by a resting human in 24 hours?