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mnsoomro
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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 :-…
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.…
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