Chemistry

Name: Chemistry
Creator: BPSC

Bihar Government Jobs Administrative / Civil Services

Conducted By BPSC
Maximum Marks 100
Duration 2 Hours

Exam Details

Detail	Information
Examination	Combined Competitive Examinations (CCE)
Conducting Body	BPSC
Duration	2 Hours
Maximum Marks	100

This page hosts the Combined Competitive Examinations (CCE) question paper conducted by BPSC. Maximum marks: 100. Duration: 2 Hours. Read exam instructions and page-2 questions online, or download the official PDF for offline practice.

Major Topics Covered

Combined Competitive Examinations (CCE)
BPSC
previous year paper
PDF download

Why This Paper is Important

Useful for Combined Competitive Examinations (CCE) preparation
Helps understand the latest exam pattern
Useful for practice and self-assessment
Covers frequently asked General Studies topics
Helpful for analysing question trends

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Instructions

You should not remove or tear off any sheet from the Question Booklet. You are not allowed to take this Question Booklet and the Answer Sheet out of the Examination Hall during the examination. After the examination has concluded, you must hand over your Answer Sheet to the Invigilator. Thereafter, you are permitted to take away the Question Booklet with you.
Failure to comply with any of the above instructions will render you liable to such action or penalty as the Commission may decide at their discretion. ध्यान दें : अनुदेशों का हिन्दी रूपान्तर इस पुस्तिका के अन्तिम पृष्ठ पर छपा है। THE REPORT OF THE REPORT OF A REPORT OF THE REPORT OF THE REPORT OF THE REPORT OF THE REPORT OF THE REPORT OF

This Question Booklet contains 100 questions in all.
Immediately after commencement of the examination, you should check up your Question Booklet and ensure that the Question Booklet Series is printed on the top right-hand corner of the Booklet.
Please check that the Booklet contains 32 printed pages including two pages (Page Nos. 30 and
for Rough Work and no page or question is missing or unprinted or torn or repeated.
If you find any defect in this Booklet, get it replaced immediately by a complete Booklet of the same series.
If there is any sort of mistake either of printing or of factual nature, then out of English and Hindi versions of the questions, the English version will be treated as standard.
You must write your Roll Number in the space provided on the top of this page.
Do not write SEAL anything else on the Question Booklet.
An Answer Sheet will be supplied to you separately by the Invigilator to mark the answers.
You must write your Name, Roll No., Question Booklet Series and other particulars in the space provided on Page-2 of the Answer Sheet provided, failing which your Answer Sheet will not be evaluated.
You should encode your Roll Number and the Question Booklet Series A, B, C or D as it is printed on the top right-hand corner of the Question Booklet with Black/Blue ink ballpoint pen in the space provided on Page-2 of your Answer Sheet.
If you do not encode or fail to encode the correct series of your Question Booklet, your Answer Sheet will not be evaluated correctly.
Questions and their responses are printed in English and Hindi versions in this Booklet.
Each question comprises of four responses—(A), (B), (C) and (D).
You are to select ONLY ONE correct response and mark it in your Answer Sheet.
In case you feel that there are more than one correct response, mark the response which you consider the best.
In any case choose ONLY ONE response for each question.
Your total marks will depend on the number of correct responses marked by you in the Answer Sheet.
In the Answer Sheet, there are four circles—(A), (B), (C) and (D) against each question.
To answer the questions, you are to mark with Black/Blue ink ballpoint pen ONLY ONE circle of your choice for each question.
Select only one response for each question and mark it in your Answer Sheet.
If you mark more than one circle for one question, the answer will be treated as wrong.
Use Black/Blue ink ballpoint pen only to mark the answer in the Answer Sheet.
Any erasure or change is not allowed.

Questions (page 2)

Q1. (a) The 1. most stable carbocation 5. The electronic configuration of among the following is gadolinium (At. No. = 64) is (CH₃)_3C - CH - CH₃

(a) The 1. most stable carbocation 5. The electronic configuration of among the following is gadolinium (At. No. = 64) is (CH₃)_3C - CH - CH₃ (A) [Xe] 4f⁸, 5d⁹, 6s²

(b) CH₃-CH 2 -CH₂-CH 2 -CH 2 (B) [Xe] 4f⁷, 5d¹, 6s²

(d) \mathrm{CH₃\text--CH₂\text--CH₂}
(C) [Xe] 4f⁶, 5d², 6s² Which of the following is an

(a) The 1. most stable carbocation 5. The electronic configuration of among the following is gadolinium (At. No. = 64) is (CH₃)_3C - CH - CH₃ (A) [Xe] 4f⁸, 5d⁹, 6s²
(b) CH₃-CH 2 -CH₂-CH 2 -CH 2 (B) [Xe] 4f⁷, 5d¹, 6s²
(c) CH₃-CH-CH 2 -CH 2 -CH 3
(d) \mathrm{CH₃\text--CH₂\text--CH₂}
(c) [Xe] 4f⁶, 5d², 6s² Which of the following is an

Q2. (a)

(a) (D) [Xe] 4f³, 5d⁵, 6s² amphoteric hydroxide? Ca(OH)_2 6. Which of the following is least

(b) Mg(OH)_2 acidic? 05C Be(OH)_{2}

(d) Sr(OH)₂ (B) o-Cresol The number of unpaired electrons з.
(C) p-Nitrophenol in the complex ion [CoF₆]^3- is (At. No. of Co is 27) (D) p-Chlorophenol (A) 3 (B) 2 Which one is not prepared by
7. (C) 4 Wurtz reaction? (D) 0 (A) C₂H₆ In which of the following, bond
4. angle is maximum? (B) n - C₄H₁₀ (A) NH 3
(C) CH 4 NH4 + (B)
(C) PCl3 \beginmatrix \text(D) \quad \textCH₃\text---CH--CH--CH₃ \\ \quad \beginarrayc \text--CH--CH₃ \\ \textCH₃ \quad \textCH₃ \endarray \endmatrix (D) SCl 2 DI BARTIN ILINDI ILI DI LARI LA LI LI LI LI LI LI LI LI LI LI LI LI LI 03/FH/CC/M-2023-08/158-C 2

(a) (D) [Xe] 4f³, 5d⁵, 6s² amphoteric hydroxide? Ca(OH)_2 6. Which of the following is least
(b) Mg(OH)_2 acidic? 05C Be(OH)_{2}
(c) (A) Phenol
(d) Sr(OH)_{2} (B) o-Cresol The number of unpaired electrons з.
(c) p-Nitrophenol in the complex ion [CoF₆]^{3-} is (At. No. of Co is 27) (D) p-Chlorophenol (A) 3 (B) 2 Which one is not prepared by

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