Chemistry - Complete s-block Question with Solution | TestHub

ChemistryComplete s-blocks-block IAMedium2 minQB
ChemistryMediumsingle choice

Consider the following statements and arrange in the order of true/false as given in the codes.

S1 : Sodium amalgam reacts with hot water and produces sodium hydroxide and hydrogen gas.

S2 : Sodium is more reactive than potassium.

S3 : Alkaline earth metals dissolve in liquid ammonia to give deep blue black solutions which are conducting.

S4 : Alkaline earth metal salts have more number of water molecules as compared to those of alkali metal salts.

Options:

Answer:
B
Solution:

: Potassium is more reactive than sodium due to its less ionisation energy than that of sodium. : True statements.

: Alkaline earth metal salts have more number of water molecules as compared to those of alkalii metal salts, because of higher nuclear charge and smaller ionic radius.

Stream:JEESubject:ChemistryTopic:Complete s-blockSubtopic:s-block IA
2mℹ️ Source: QB

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