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JEE CHEMISTRY MCQ: d & f- BLOCK ELEMENTS
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Given below are two statements. One is labelled as Assertion (A) and the other is labelled as Reason(R)
Assertion(A): is the most basic while is the least basic.
Reason(R): As the size of lanthanoids decreases covalent character of hydroxides decreases and basic character increases.
In the light of the above statements, choose the most appropriate answer from the options given below.
Assertion(A): is the most basic while is the least basic.
Reason(R): As the size of lanthanoids decreases covalent character of hydroxides decreases and basic character increases.
In the light of the above statements, choose the most appropriate answer from the options given below.
View answer and explanation
Correct option: D
A is correct but R is not correct
Option C ( and ) is correct because both ethanol and acetone give a positive iodoform test.
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elements is +3. Which of the following is likely to
also form other oxidation state? A mixture of and is called