MEDIUM
12th CBSE
IMPORTANT
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Which of the following is not considered a transition element?

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Important Questions on The d- and f-Block Elements

HARD
12th CBSE
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - The d- and f-Block Elements>Sample Paper>Q 55
Which of the following ions will have a magnetic moment value of 1.73 BM.
Sc3+, Ti3+, Ti2+, Cu2+, Zn2+
HARD
12th CBSE
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - The d- and f-Block Elements>Sample Paper>Q 56
The second ionization enthalpies of chromium and manganese are 1592 and 1509 kJ/mol respectively. Explain the lower value of Mn.
HARD
12th CBSE
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - The d- and f-Block Elements>Sample Paper>Q 57
Give two similarities in the properties of Sc and Zn.
MEDIUM
12th CBSE
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - The d- and f-Block Elements>Sample Paper>Q 58
What is actinoid contraction? What causes actinoid contraction?
MEDIUM
12th CBSE
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - The d- and f-Block Elements>Sample Paper>Q 59
What is the oxidation state of chromium in chromate ion and dichromate ion?
MEDIUM
12th CBSE
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - The d- and f-Block Elements>Sample Paper>Q 60
Write the ionic equation for reaction of KI with acidified KMnO4.