Secondary cell is_____________________?
A. rechargeable
B. non rechargeable
C. electrolytic cell
D. Daniel cell
Submitted by :- Jamil Ahmed
Greater value of standard reduction potential greater will be tendency__________________?
A. to get oxidized
B. to get reduced
C. to accept electrons
D. both B and C
Submitted by :- Jamil Ahmed
Electrode potential of Zn is__________________?
A. oxidation
B. reduction
C. oxidation-reduction
D. depends on the nature of the coupled electrode
Submitted by :- Jamil Ahmed
Potential of SHE is considered as__________________?
A. zero
B. unity
C. constant
D. multiple of 1
Submitted by :- Jamil Ahmed
Ered of an element cab be calculated by comparing it with _______________?
A. New electrode of same element
B. SHE (standard hydrogen electron)
C. 1M solution of ions of respective element
D. 2M solution of HCI
Submitted by :- Jamil Ahmed
Salt bridge transfers_______________?
A. electrons
B. anion
C. current
D. ions
Submitted by :- Jamil Ahmed
The oxidation state of transition elements is usually _______________________?
A. variable
B. constant
C. single
D. infinite
Submitted by :- Jamil Ahmed
The correct electronic configuration of Cr is____________________?
A. [Ar]4s23d4
B. [Ar] 4s23d4
C. [Ar]4s3d5
D. [Ar]4s13d5
Submitted by :- Jamil Ahmed
Pure metal__________________?
A. corrode slowly
B. corrode rapidly
C. does not corrode easily
D. none of these
Submitted by :- Jamil Ahmed
The melting points and boiling points upto meddle of 3d- series ____________________?
A. increases
B. decreases
C. remain same
D. no regular trend
Submitted by :- Jamil Ahmed