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The basic strength of hydroxides of lanthanoids decreases with an increase in their atomic number…
Assertion: The basic strength of hydroxides of lanthanoids decreases with an increase in their atomic number.
Reason: The size of trivalent cations of lanthanoids increases with an increase in their atomic number.
Given below are two statements marked Assertion and Reason. Read the two statements carefully and select the correct option.
- (a)Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
- (b)Both Assertion and Reason are true but Reason is not the correct explanation for Assertion.
- (c)Assertion is true and Reason is false.
- (d)Both Assertion and Reason are false.
Answer
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From ISC 2025 Improvement Chemistry Paper 1, question 1(B)(vii).