Chemistry Question Bank

The alkali metals and their salts show characteristics colour to

The low melting point of alkali is due to

Along the group in alkali metals the density

Which of the following choice(s) represents(s) physical properties of alkali metals?

Which of the following metal salt is mostly hydrated?

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

The correct decreasing order of ionization enthalpy in alkali metals is

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

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

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

Molecular formula of Glauber’s salt is (JCECE 2010)

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.

Which of the following order is correct regarding electropositive character of alkaline earth metals?

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

Along the group atomic and ionic radii are …X… and along the period atomic and ionic radii are …Y… Here, X and Y refer to

[X] and [Y] are two nitrates of alkali metals [X] and [Y] on decomposition produces oxides and nitrites respectively. Here, [X] and [Y] refer to

Which of the following metal do not form salt with ethyne?

Why lithium compound are soluble in organic solvent?

On moving top to bottom the negative value of formation …A… for fluoride of alkali metals. Here, A refer to