True or false on the d-block
Exercise and reference answers
- Questions
- Statement is true
- Yes
- Statement
- The d-block covers groups 3 to 12.
- Statement is true
- No
- Statement
- Transition metal ions are colourless.
- Statement is true
- Yes
- Statement
- These metals show variable oxidation states.
- Statement is true
- No
- Statement
- Zinc has an incomplete d subshell.
- Statement is true
- Yes
- Statement
- Their melting points are generally high.
- Statement is true
- No
- Statement
- The f-block sits inside the main table.
- Instructions
- Decide whether each statement is true or false.
Explanation
_Source: syllabus Chemistry Part I, Chapter 8, The d- and f-Block Elements._
Browse more CBSE Class 12 (Science) questions and exercises →