19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
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?
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 …
Which of the following is present as impurity in crude sodium chloride?
Crude…A… Generally obtained by crystallization of brine solution. Here, A refers to
Sea water contain…by mass of the salt (NaCl)
Above 373K, the monohydrate sodium hydrogen carbonate becomes completely anhydrous and called as
Which of the following exist as decahydrate?
Which of the following is known molecular formula of washing soda?
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
What will be the product when ammonium chloride is treated with calcium hydroxide?
Solvay process is used in the preparation of
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
The carbonates and hydrogen carbonates of alkali metals are highly stable, their stability
The alkali metal oxides dissolve in water to produce
Sodium …X… is widely used as a/an …Y…. Here, X and Y refer to
On combustion in excess of air lithium forms mainly …X… sodium forms …Y… while potassium forms …Z…Here, X, Y and Z refer to
Which of the following metal has high value of polarization?
Lithium halides are somewhat …A… It is because …B… value of polarization capability of lithium ion. Here, A and B refer to
The nature of bonding in hydride of alkali metal is