MEDIUM
Earn 100
Number of metal ions characterized by flame test among the following is _________.
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Important Questions on Transition and Inner Transition Elements
EASY
Which element gives the maximum number of oxides?
MEDIUM
Which of the following statement is wrong?
EASY
The INCORRECT statement is :
MEDIUM
Which of the following sets correctly represent the increasing paramagnetic property of the ion?
EASY
During galvanization of iron, which metal is used for coating the iron surface?
MEDIUM
Which of the following sets correctly represents the increase in the paramagnetic property of the ions?
MEDIUM
Although Zirconium belongs to transition series and Hafnium to transition series even then they show similar physical and chemical properties because _____.
EASY
Which of the following is most soluble in water?
HARD
Maximum number of covalent bonds formed by and are -
MEDIUM
The statement that is INCORRECT about the interstitial compounds is:
MEDIUM
Which element from the following forms colourless compounds in oxidation state ?
EASY
When heated in air, brown copper powder turns black. This black powder would turn brown again when heated with
MEDIUM
The correct sequence of the paramagnetic property of the metal ions is
EASY
Which of the following metal ions is colourless?
EASY
A copper coin was electroplated with and then heated at high temperature until there is a change in colour. What will be the resulting colour?
EASY
The major components of German Silver are :
HARD
The major components in "Gun Metal" are:
EASY
For the following Assertion and Reason, the correct option is:
Assertion: For hydrogenation reactions, the catalytic activity increases from Group to Group metals with maximum activity shown by Group elements.
Reason: The reactants are most strongly adsorbed on group elements.
EASY
The colour and magnetic nature of manganate ion is-
MEDIUM
Which one of the following ions exhibits d-d transition and paramagnetism as well?
