Chemistry - f-block Question with Solution | TestHub
Chemistryf-blockf-blockMedium2 minQB
ChemistryMediumsingle choice
Which of the following statement is INCORRECT ?
Options:
Answer:
D
Solution:
The INCORRECT statement is D. Actinide contraction is due to the poor shielding effect of 5f-electrons, not 4f-electrons. 4f-electrons are responsible for lanthanide contraction. Options A, B, and C are correct statements regarding trans-uranium elements, promethium, and calcium carbide hydrolysis, respectively.
Stream:JEESubject:ChemistryTopic:f-blockSubtopic:f-block
⏱ 2mℹ️ Source: QB
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