12th Chemistry chapter 10: full solution, notes, MCQ, & free PDF | Bihar board

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12th Chemistry chapter 10: cover all important question with new latest pattern. you can download Chemistry chapter 10 notes & full solution as PDF format in English. below we are goin to cover chapter 10 Chemistry class 12 Bihar board
Bihar board Chemistry chapter 10 class 12: specially we focused on Bihar board latest pattern of Chemistry, and on this post covered class 12th Chemistry chapter 10 based on Bihar board. check out below to get full solutions of Chemistry chapter 10 class 12 bihar board.

12th Chemistry chapter 10 Bihar board with NCERT-Details & Highlights

name of content 12th Chemistry chapter 10 full solution
content Chemistry objective type MCQ question with answer
name of subjects  class 12 Chemistry
important for exam Bihar board & other state board
pattern & Level  NCERT & State level question

12th Chemistry chapter 10 all objective solutions – download PDF

1. With what does chlorobenzene react to form DDT?
    • (A) with charcoal
    • (B) with chloral
    • (C) with naphthalene
    • (D) with benzenoid
Answer: (B) With Chloral
2. Chloroform is a
    • (A) Primary halide
    • (B) Tertiary halide
    • (C) Trihalogen derivative
    • (D) Tetrahalogen derivative
 Answer: (C) Trihalogen derivative
3. Ethyl bromide on boiling with alcoholic caustic potash is formed
    • (A) Ethyl alcohol
    •  (B) Ethylene
    • (C) Acetylene
    • (D) ethane
 Answer: (B) Ethylene
4. Which of the following was used as an anesthetic?
    • (A) Chloroform
    • (B) Iodoform
    • (C) Acetylene
    • (D) Methane
 Answer: (A) Chloroform
5. What happens when chloroform is released into the air in sunlight?
    • (A) Toxic phosgene gas is formed.
    • (B) An explosion occurs.
    • (C) polymerization takes place.
    • (D) It decomposes into carbon, HCl and chlorine.
 Answer: (A) Toxic phosgene gas is formed.
6. Ethyl bromide reacts with sodium metal in dry ether to form
    • (A) ethane
    • (B) Butane
    • (C) polymerization
    • (D) Ethylene
Answer: (B) Butane
7. How many isomers (including three dimensional isomers) are possible from C , H , Br?
    • ( A ) 2
    • ( B ) 3
    • ( C ) 4
    • ( D ) 5
Answer : ( C )4
8. How many total isomers of the molecular formula CHICI are possible?
    • ( A ) 3
    • ( B ) 4
    • ( C ) 5
    • ( D ) 8
Answer: (D) 8
9. Reaction with Silbar Nitrite to form Ethyl Bromide
    • (A) Nitroethane
    • (B) ethane
    • (C) Ethylnitrile
    • (D) nitroethane and ethylnitrite
 Answer: (A) Nitroethane

Bihar Board 12th chemistry chapter 10 most mcq solution

10. Chlorine gives C-C-I bond in benzene as compared to C-C-I bond in methyl chloride
    • (A) tall and weak
    • (B) small and weak
    • (C) small and strong
    • (D) long and strong
 Answer: (C) small and strong
11. Which of the following compounds on oxidation gives benzoic acid?
    • (A) 0 – Chlorophenol
    • (B) p-chlorotoluene
    • (C) Chlorobenzene
    • (D) Benzyl chloride
 Answer: (D) Benzyl chloride
12. The reaction between alkyl halide and sodium metal is called
    • (A) Wu reaction
    • (B) Kolbe reaction
    • (C) Clemmensen reaction
    • (D) none of these
Answer: (A) Wu reaction
13. Which compound gives iodoform by the reaction between 1 , and NaOH?
    • ( A ) CH , OH
    • ( B ) CH – 0 – CH , HS
    • ( C ) CH , OH
    • ( D ) C , H , OH
 Answer: (D) C, H, OH
14. Primary amine is the product of reaction between chloroform and alcoholic KOH
    • (A) cyanic
    • (B) isocyanide
    • (C) Nitroamine
    • (D) alkene
 Answer: (B) Isocyanide
15. The IUPAC name of secondary butyl chloride is
    • (A) 3 – chlorobutane
    • (B) 2 – chlorobutane
    • (C) 1 – chloro – 2 – methylpropane
    • (D) 2 – chloro – 2 – methylpropane
Answer: (B) 2 – Chlorobutane
16. With which reagent will n-propyl bromide be formed from propylene?
    • ( A ) NaBr
    • ( B ) HBr
    • (C) HBr / organic peroxide
    • (D) MgBra
 Answer: (C) HBr / organic peroxide
17. On reaction of acetylene with HBr, it is formed
    • (A) Ethylidine dibromide
    • (B) ethylene dibromide
    • (C) Ethyl bromide
    • (D) Acetylene Tetrabromide
Answer: (A) Ethylidine dibromide
18. The number of isomers for compound C, BrCIFI is
    • ( A ) 3 .
    • ( B ) -5
    • ( C ) 4
    • ( D ) 6
Answer: (D)6
19. Ethanol on heating with bleaching powder is formed
    • (A) Acetaldehyde
    • (B) Ethyl chloride
    • (C) Trichloromethane
    • (D) ethylene dichloride
 Answer: (C) Trichloromethane
20. Which of the following is a pesticide?
    • (A) BHC
    • (B) Phosphine
    • (C) Chlorine
    • (D) aspirin
Answer: (A)BHC

BSEB 12th chemistry chapter 10 important notes

21. Which of the following compounds gives iodoform test?
    • ( A ) CH , OH
    • (B) WHO
    • (C) CHICOCHI
    • ( D ) CHCL .
Answer: (C) CHICOCHI
22. The isomer of acetic acid is
    • (A) formic acid
    • (B) Methyl formate
    • (C) Ethyl Acetate
    • (D) Vinegar
 Answer: (B) Methyl formate
23. The number of isomers represented by the molecular formula is
    • ( A ) 2
    • ( B ) -3
    • ( C ) 6
    • ( D ) 5
 Answer : ( B ) -3
24.CHA is the number of isomers of the molecular formula
    • ( A ) 4
    • ( B ) 5
    • ( C ) 6
    • ( D ) 7
 Answer : ( B )5
25. The main characteristic of stereoisomers is
    •  (A) They are immutable
    • (B) These mirrors are images
    • (C) These mirrors are not images
    • (D) They are irreplaceable
 Answer: (D) They are irreplaceable
26. The total number of isomer alcohols represented by the formula CH10 is
    • ( A ) 6
    • ( B ) 4
    • ( C ) 3
    • ( D ) 5
Answer : ( B )4
27. n-propyl alcohol and isopropyl alcohol are
    • (A) series isomer
    • (B) place isomer
    • (C) functional group isomer
    • (D) stereoisomer
Ans: (B) Location contained
28. The polarities exhibit the rotational
    • (A) Acryl compound
    • (B) Kirel compound
    • (C) Organic compounds
    • (D) stereoisomer compound
 Ans: (B) Kirel compound
29. Name the reaction between 2 – bromobutane and alcoholic KOH
    • (A) Halogenation
    • (B) Dehydrogenation
    • (C) Dehydration
    • (D) Dehydrohalogenation
 Answer: (D) Dehydrohalogenation
30. Forms chloroform in the presence of air and air
    • (A) Chloropicric acid
    • (B) Carbon tetrachloride
    • (C) Phosgene
    • (D) Phosphine
 Answer: (C) Phosgene
31. How much monochlorobutane will be obtained by chlorination of n-butane?
    • ( A ) .1
    • ( B ) 2
    • ( C ) 3
    • ( D ) 4
Answer : ( B ) 2

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Bihar board 12th Chemistry chapter 10 complete objective

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Bihar board 12th science stream subjects wise solution

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SL.N.  Subject name with solutions
01 Physics
02 Chemistry
03 Biology
04 Math
05 Hindi
06 English

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