19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Property of the alkaline earth metals that increase with their atomic number (AIPMT 2010)
The solubilities of carbonates decrease down the magnesium group due to a decrease in (RPMT 2008)
Which of the following oxides is not expected to react with sodium hydroxide? (CBSE AIPMT 2009)
In the case of alkali metals, the covalent character decreases in the order, (CBSE AIPMT 2009)
Alkali metal nitrates decomposes to produce …X… while lithium nitrate on heating decomposes to corresponding …Y… Here, Y and Y refer fo
Similarity between lithium and magnesium is particularly stricken and arises because of their
Choose the correct statements (s) regarding lithium and alkali metals I. Lithium is much harder. Its m.p and b.p are higher than other alkali metals. II. Lithium is highly reactive and strongest reducing agent in com…
Lithium and magnesium oxides and hydroxides are …X… soluble in water. Here, X refers to
Choose the incorrect statement out of the following
…A…is used in the manufacturing of soft soap. Here, A refer to
…A… is used in devising photoelectric cells. Here, A refer to
When sodium is dissolved in liquid ammonia is solution of deep blue colour is obtained. The colour of solution is due to
Which of the following metal is used to form useful alloys?
Match the Column I and Column II and choose the correct option from the codes give below. Column I Column II A. Potassium 1. Soft soap B. Potassium chloride 2. Fertilizer C. Potassium hydroxide 3. Photoelectric cells …
On combustion in excess of air lithium forms mainly …X… sodium forms …Y… while potassium forms …Z…Here, X, Y and Z refer to
Alkali metals dissolve in liquid ammonia and produces
Anomalous behavior of lithium is due to I. exceptionally small size of its atom II. High polarizing power. III. High Charge Radius ratio. Choose the correct option
Alkali metal reacts with water vigorously to form hydroxides and dihydrogen. Which of the following alkali metals reacts with water least vigorously?
The nature of bonding in hydride of alkali metal is
The oxidation state of K in KO2 is …A… and the bonding type is …B… Here, A and B refer to
Lithium halides are somewhat …A… It is because …B… value of polarization capability of lithium ion. Here, A and B refer to
Choose the correct statements(s) among the following. I. Alkali metal is highly reactive. II. Alkali metal has lowest ionization enthalpy among their respective period. III. Ionization energy of alkali metals incre…
Which of the following elements(s) form stable superoxide?
Alkali metals are kept in kerosene oil. Which of the following reason (s) is/are correct regarding this statements?
Which of the following metal has high value of polarization?