MEDIUM
JEE Main
IMPORTANT
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Given below are two statements:
Statement I : Both and undergo dehydration on heating.
Statement II : is amphoteric, whereas the oxides of other elements in the same group are acidic.
In the light of the above statements, choose the correct answer from the options given below:
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Important Questions on The s-Block Elements
MEDIUM
JEE Main
IMPORTANT
Among the statements the correct ones are:
Lithium has the highest hydration enthalpy among the alkali metals.
Lithium chloride is insoluble in pyridine.
Lithium cannot form ethynide upon its reaction with ethyne.
Both lithium and magnesium react slowly with .
EASY
JEE Main
IMPORTANT
The metal that forms nitride by reacting directly with of air is:
MEDIUM
JEE Main
IMPORTANT
The alkaline earth metal nitrate that does not crystallise with molecules is:
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JEE Main
IMPORTANT
The structures of beryllium chloride in the solid state and vapour phase, respectively, are:
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JEE Main
IMPORTANT
Magnesium powder burns in air to give
EASY
JEE Main
IMPORTANT
The correct order of the solubility of alkaline-earth metal sulphates in water is:
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JEE Main
IMPORTANT
When gypsum is heated to it forms:
EASY
JEE Main
IMPORTANT
The covalent alkaline earth metal halide is:
