The general electronic configuration of transition elements is
The aqueous solution containing which one of the following ions will be colourless
The main reason for larger number of oxidation states exhibited by the actinoids than the corresponding Lanthanoids
The lanthanide conctraction is responsible for the fact that
Which of the following has the maximum number of unpaired d-electrons
A metal gets coated with a green basic carbonate when exposed at atmosphere. Metal is
Which one of the following characteristic of the transition metals is associated with their catalytic activity
Among the following series of transition metal ions, the one in which all metals ions have 3d2 electronic configuration is
Which of the following ionic species will impart colour to an aqueous solution
the outer electron configuration of Gd (At. No. 64) is
The colour of transition metal compound is due to
Which of the following in Rinmanns green?
Hair dyes contain
Which one of these is not known?
Green vitriol is
Brass is an alloy of Cu with
Which belongs to the actinides series ?
Anhydrous ferric chloride is prepared by
Least paramagnetic property is shown by
Metal ion responsible for the Minamata disease is
In chromite ore, the oxidation number of iron and chromium are respectively
A red solid is insoluble in water. However it becomes soluble if
The catalytic activity of the transition metals and their compounds is described to
The spin only magnetic moment of Fe^2+ ion (in BM) is approximately
Silver, gold, platinum, iron, copper and titanium are part of the
The colour of light absorbed by an aqueous solution of CuSO4 is
Copper exhibits only + 2 oxidation state in its stable compounds. Why ?
German silver alloy contains
Which of the following has the maximum number of unpaired d-electrons?
The element which forms ions in dimeric state is
Paramagnetism is exhibited due to which one of the following reason?
Silver iodide is used for producing artificial rain because AgI
Which one of the following transition element has the lowest value of enthalpy of atomisation?
The colour of Cu 2+/2 containing salt is
Why d-block element form complexes?
the colour of KMno4 is due to
What is the ground state electron configuration of the Mn ^2+ ion?
identify the incorrect statement among the following
which of the following is amphoteric oxide?
Connect With Answers
We are available 24x7 to answer.
TestprepKart [Answers] is a global answer platform for all students, teachers and contributors to help community grow and share knowledge. TestprepKart [Answers] is primarily focused on School Exam Preparation, Entrance Exam Preparation, UG Admissions Worldwide. Share your doubts and help others getting their answers is the spirit of TestprepKart [Answers].