MCQs Question Bank (Competition Preparation) - D and F Block Elements Class 12 Notes | EduRev

Chemistry Class 12

Created by: Mohit Rajpoot

Class 12 : MCQs Question Bank (Competition Preparation) - D and F Block Elements Class 12 Notes | EduRev

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LEARNERS HABITAT
1] Which series of elements have nearly the same atomic radii
a) F, Cl, Br, I b) Na, K, Rb, H c) Fe, Co, Ni, Cu d) Cr, Mn, Fe
2] The outer electronic configuration of chromium is
a) 4s
1
3d
5
b) 4s
2
c) 4s
0
d) 4s
2
 3d
5
3] The most abundant transition element is
a) Iron b) Copper c) Aluminium d) Zinc
4] A Typical transition metal is
a) Zn b) Co c) Cu d) W
5] The most abundant transition element in earth curst is
a) Fe b) Co c) Cu d) Zn
6] How many d-electrons are in Cr
+2
 ion?
a) 4 b) 5 c) 6 d) 3
7] The first man-made element is
a) Iron b) Technetium c) Zirconium d) Mercury
8] Among d-block elements, the most abundant element belongs to the
a) First transition series b) Second transition series
c) Third transition series d) Fourth transition series
9] Which of the following statements concerning transition elements is not true?
a) They are all metals
b) They easily form complexes
c) Compounds containing their ions are coloured
d) They show multiple oxidation states always differing by two units
10] The following is not a typical transition element
a) Cu b) Ag c) Au d) Mn
LH Practice Sheet D & F BLOCK ELEMENTS
LEARNERS HABITAT, 97/1, 3rd Floor, Near NCERT Gate No. 01, Adchini, New Delhi. +91-8510800081/82 
www.learnershabitat.ac.in
 
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