Chemistry Question Bank

The correct trend of melting point and boiling point of alkali metal halides

Choose the correct statement/statement out of the following (a) f H always became less negative on moving top to bottom for alkali halides (b) f H always becomes less negative from fluoride to iodide for alkali me…

Which of the following statement (s) is/are correct regarding alkali metal halides? I. They possess high melting point and are crystalline in nature. II. They are prepared by reaction of appropriate oxides with aque…

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

Choose the incorrect statement out of the following

Lithium and magnesium oxides and hydroxides are …X… soluble in water. Here, X refers to

Similarity between lithium and magnesium is particularly stricken and arises because of their

Alkali metal nitrates decomposes to produce …X… while lithium nitrate on heating decomposes to corresponding …Y… Here, Y and Y refer fo

The ionization enthalpies of alkali metals are considerably

Atomic and ionic radii of alkali metals …X… on moving down the group. Here, X refer to

Monovalent ions are …A…than parent atom. Here, A refers to

Alkali metals have …X… size in a particular period. Here, X refer to

Alkali metals readily …X… electron to give monovalent M+ ion. Here, X refer to

Assertion (A): Ba, Ca and Sr produces individual characteristic colour to flame test. Reason (R): this is due to excitation of loosely held electrons from outermost orbit to excited state of orbital.

All alkaline metals have …A… valence electrons(s). Here, A refer to

Alkali metals show regular trend in their physical and chemical properties with the

The diagonal relationship of elements arises due to the similarity in

Which of the following shows diagonal relationship?

…X and …Y…Shown diagonal similarity. Here, X and Y refer to

The correct reason for smaller size of alkaline earth metal than that of alkali metal is that

Which of the following metal salt is mostly hydrated?

…A… has maximum degree of hydration. Here, A refers to

Which of the following does not belong to alkaline earth metal?