List of top Chemistry Questions on GROUP 1 ELEMENTS asked in KEAM

List-I contains some group-I elements and List-II contains their electron gain enthalpy values (in kJ mol\(^{-1}\))
List-I: (i) H, (ii) Li, (iii) Na, (iv) K
List-II: (a) -48, (b) -53, (c) -73, (d) -60
Choose the correct match.
The alkali metal with the highest first enthalpy of ionization is ________.
Alkali metal with highest first ionization enthalpy is:
Portland cement does not contain
The increasing order of the density of alkali metals is
Sodium peroxide which is a yellow solid, when exposed to air becomes white due to the formation of
The carbonate that will not decompose on heating is
The increasing order of the density of alkali metals is
The metal that produces red-violet colour in the non-luminous flame is
When $SO_2$ gas is passed into aqueous $Na_2CO_3$ the product(s) formed is (are)
When potassium is reacted with water, which compound $(S)$ is are formed preferentially?
The alkaline earth metal with the least density value is