19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
The carbonates and hydrogen carbonates of alkali metals are highly stable, their stability
Lithium being very small in size, which …A… a large CO ion leading to the formation of more stable …B.. and …C.. Here A, B and C refer to
Solvay process is used in the preparation of
What will be the product when ammonium chloride is treated with calcium hydroxide?
Potassium is not prepared by Solvay process because …X… is too soluble to be precipitated by addition of ammonium hydrogen carbonate. Here, X refer to
Which of the following is known molecular formula of washing soda?
Which of the following exist as decahydrate?
Which of the following statement (s) is/are correct? I. Sodium and potassium are found on same sides of cell. II. Sodium and potassium are present on opposite side of cell. III. Sodium is found in blood plasma and …
What approximate amount of ATP is used by a resting human in 24 hours?
Beryllium has …A… Property from rest of alkaline earth metals and show diagonal relationship with …B… Here, A and B refer to
Which of the following is not an alkaline earth metal?
Ground state valence shell electronic configuration of barium is
Nature of bonding present in compounds of alkaline earth metals are
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 alkaline earth metals have smaller size than those of corresponding alkali metals, this is due to
Along the group, size and ionization enthalpy of the group II elements(s) … and … respectively.
The first ionization enthalpy of the alkaline earth metals are …X…. that of corresponding group I metal. Here, X refers to
Which of the following is correctly order regarding hydration enthalpies of alkaline earth metals?
Hydration energy of alkaline earth metal has …A… value to that of alkali metal. Here, A refer to
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.
Alkaline earth metals are …X… than that of alkali metals. Here, X refer to
Alkali metals are generally silvery white but beryllium and magnesium appears to be
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
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…
Beryllium and magnesium do not impart any colour to the flame test. The reason is that