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
CHEMISTRY
Prepare for your upcoming test with a comprehensive collection of Chemistry multiple-choice questions (MCQs), ranging from basic to advanced topics. These Chemistry MCQs cover various sections of the subject, providing you with valuable practice and boosting your chances of scoring well in the Chemistry portion of the test. Whether you’re a student or a job seeker preparing for exams, these MCQs will prove beneficial for your test preparation.
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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
The elements 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
Submitted by :- Jamil Ahmed
Group VIB of transition elements contains___________________?
A. Zn Cd Hg
B. Fe Ru Os
C. Cr Mo W
D. Mn Te Re
Submitted by :- Jamil Ahmed
The oxidation number of central metal atom in [Ni(CO)4] is_________________?
A. 0
B. 2
C. 4
D. 6
Submitted by :- Jamil Ahmed
Coordination number of the transition element in [Pt Cl NO2 (NH3)4]2- is____________________?
A. 2
B. 6
C. 4
D. 8
Submitted by :- Jamil Ahmed