E0red of an element cab be calculated by comparing it with _____________________?
(A) New electrode of same element
(B) SHE
(C) 1M solution of ions of respective element
(D) 2M solution of HCI
Decrease in oxidation number is called__________________?
(A) oxidation
(B) reduction
(C) oxidation-reduction
(D) all of above represent same entity
Reaction at anode is called________________?
(A) oxidation
(B) reduction
(C) redox
(D) decomposition
The melting points and boiling points upto meddle of 3d- series ____________________?
(A) increases
(B) decreases
(C) remain same
(D) no regular trend
The leements in which d or f orbitals are in the process of completion are__________________?
(A) outer transition elements
(B) inner transition elements
(C) typical transition elements
(D) transition elements
Group VIB of transition elements contains___________________?
(A) Zn Cd Hg
(B) Fe Ru Os
(C) Cr Mo W
(D) Mn Te Re
Coordination number of the transition element in [Pt Cl NO2 (NH3)4]2- is____________________?
(A) 2
(B) 6
(C) 4
(D) 8