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Structure of Atom Class 11 MCQs: Download MCQs for CBSE Class 11 Chemistry Chapter 2 in PDF here. These questions are based on the latest syllabus and are important for 2023-24 exam preparations.
MCQs on Class 11 Structure of Atom: All the CBSE Class 11 students must be aware of the latest exam pattern suggested by the board according to which 50% of the total questions in exams must be in MCQs format. The board has increased the weightage of the multiple choice type questions as they help assess students on the basis of their problem-solving and critical thinking skills. Students should practise a variety of questions to get an idea of the types of questions that can be asked in an exam. In this article, you will get MCQs for CBSE Class 11 Chemistry Chapter 2, Structure of Atom. All the questions have been prepared by subject experts and are based on the important concepts in the chapter. Therefore, the MCQs provided below are best to prepare for the 2023-24 exams. You can read as well as download all questions and answers in PDF from the direct link provided towards the end of the article.
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CBSE Class 11 Chemistry Syllabus 2023-24
CBSE Class 11 Chemistry Deleted Syllabus 2023-24
Check MCQs with Answers for Class 11 Chemistry Chapter – Structure of Atom below:
1.For which of the following sets of quantum numbers, an electron will have the highest energy?
(a) 3, 2, +1, +1/2
(b) 4, 2, -1, +1/2
(c) 4, 1, 0, -1/2
(d) 5, 0, 0, +1/2
Answer: (b) 4, 2, -1, +1/2
2.Which of the following orbitals has dumb-bell shape?
(a) s
(b) p
(c) d
(d) f
Answer: (b) p
3.Which of the following atoms or atoms/atom-ion/ions have identical ground state configuration?
(a) Li+ and He+
(b) Cl– and Ar
(c) Na and K
(d) F+ and Ne
Answer: (b) Cl and Ar
4.Number of angular nodes for 4d orbital is __________.
(a) 4
(b) 3
(c) 2
(d) 1
Answer: (c) 2
5.The number of radial nodes for 3p orbital is ____________.
(a) 3
(b) 4
(c) 2
(d) 1
Answer: (d) 1
6.The number of spherical nodes for 4d orbital is
(a) zero
(b) one
(c) two
(d) three
Answer: (b) one
7.Azimuthal quantum number defines:
(a) e/m ratio of electron
(b) spin of electron
(c) angular momentum of electron
(d) magnetic momentum of electron
Answer: (c) angular momentum of electron
8.The configuration 1s2 2s2 2p5 3s1 shows:
(a) ground state of fluorine
(b) exited state of fluorine
(c) exited state of neon
(d) exite state of O2- ion
Answer: (c) exited state of neon
9.The total number of orbitals in a shell having principal quantum number n is
(a) 2n
(b) n2
(c)2n2
(d)n+1
Answer: (b) n2
10.The correct order of increasing energy of atomic orbital is:
(a)5p<4f<6s<5d
(b)5p<6s<4f<5d
(c)4f<5p<5d<6s
(d)5p<5d<4f<6s
Answer: (b) 5p<6s<4f<5d
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Download MCQs on CBSE Class 11 Structure of Atom in PDF |
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