Transition elements (ocr) quiz

Question 1 of 10

1

A transitional element is a d block element that forms at least one ion with an incomplete d sub-shell.

Select one of the following:

True
False

Explanation

Question 2 of 10

1

the d-block elements would have filled their 4s orbitals before their 3d orbitals( the 4s sub-shell has a lower energy than the 3d sub-shell ).

Select one of the following:

True
False

Explanation

Question 3 of 10

1

chromium which is a transition metal has its 3d and 4s orbitals half-filled(4s1 3d5)

Select one of the following:

True
False

Explanation

Question 4 of 10

1

copper only one electron is in the 4s orbital but the 3d orbital is full

Select one of the following:

True
False

Explanation

Question 5 of 10

1

To form positive ions transition element atoms loose electrons from their 4s sub-shell before their 3d subshell.

Select one of the following:

True
False

Explanation

Question 6 of 10

1

Properties specific to transition metal compounds in result to of their electron configuration(partially filled d-orbitals):

Select one or more of the following:

exist as giant metallic lattices containing delocalised electrons which move to conduct electricity
shiny in appearance
catalyse chemical reactions
high density and melting point and boiling point
form coloured compounds
form compounds in which they have different oxidation states

Explanation

Question 7 of 10

1

transition metals from titanium to copper don't form the +2 oxidation state

Select one of the following:

True
False

Explanation

Question 8 of 10

1

KMnO4 is a purple solid used as a oxidising agent in redox titrations

Select one of the following:

True
False

Explanation

Question 9 of 10

1

important chemical reactions that are catalysed by transition metals or their compounds

Select one or more of the following:

Haber process
polymerisation
Hydrogenation of alkenes
acid hydrolysis
Contact process
Decomposition of hydrogen peroxide

	Created by suzan over 10 years ago

bits end pieces from the module that it is important to remember.

Transition elements (ocr) quiz

Question 1 of 10

A transitional element is a d block element that forms at least one ion with an incomplete d sub-shell.

Select one of the following:

Explanation

Question 2 of 10

the d-block elements would have filled their 4s orbitals before their 3d orbitals( the 4s sub-shell has a lower energy than the 3d sub-shell ).

Select one of the following:

Explanation

Question 3 of 10

chromium which is a transition metal has its 3d and 4s orbitals half-filled(4s1 3d5)

Select one of the following:

Explanation

Question 4 of 10

copper only one electron is in the 4s orbital but the 3d orbital is full

Select one of the following:

Explanation

Question 5 of 10

To form positive ions transition element atoms loose electrons from their 4s sub-shell before their 3d subshell.

Select one of the following:

Explanation

Question 6 of 10

Properties specific to transition metal compounds in result to of their electron configuration(partially filled d-orbitals):

Select one or more of the following:

Explanation

Question 7 of 10

transition metals from titanium to copper don't form the +2 oxidation state

Select one of the following:

Explanation

Question 8 of 10

KMnO4 is a purple solid used as a oxidising agent in redox titrations

Select one of the following:

Explanation

Question 9 of 10

important chemical reactions that are catalysed by transition metals or their compounds

Select one or more of the following:

Explanation

Question 10 of 10

All ligands are neutral

Select one of the following:

Explanation