Class 12 Chemistry Chapter 10 MCQ In English
आज के इस लेख में आपलोगों के लिए Class 12 Chemistry Chapter 10 MCQ In English के बारे में जानेगे | जैसा की आप लोग जानते ही आज के दौर में ऑब्जेक्टिव क्वेश्चन बहुत ही इम्पोर्टेन्ट हो गया है | क्लास 12th केमिस्ट्री ऑब्जेक्टिव क्वेश्चन दिया गया गई |
यदि आप चाहते है की Haloalkanes and Haloarenes MCQ in Hindi के बारे पढ़े तो और साथ में Chemistry 12th हिंदी मध्यम के सभी चैप्टर ऑब्जेक्टिव क्वेश्चन पढ़ने के क्लिक करे Class 12 Chemistry Mcq In Hindi All Chapter
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Class 12 Chemistry Chapter 10 MCQ In English
Q1. the characteristic of purity of organic solid is
- (A) boiling point
- (B) melting point
- (C) specific density
- (D) none
Show Answer
(B) melting point
Q2. the best conductor of heat and electricity is
- (A) anthrocyte coke
- (B) diamond
- (C) graphite
- (D) None
Show Answer
(C) graphite
Q3. The valency of carbon is
- (A) 1
- (B) 2
- (C) 3
- (D) 4
Show Answer
(D) 4
Q4. the number of sigma bonds in CH₄ is
- (A) 4
- (B) 3
- (C) 2
- (D) 1
Show Answer
(A) 4
Q5. The hybridization of carbon in diamond is
- (A) sp3
- (B) sp2
- (C) sp
- (D) dsp2
Show Answer
(A) sp3
Q6. IUPAC name of (CH3)3CCl
- (A) 3-Chlorobutane
- (B) 2-Chloro-2-methylpropane
- (C) t-butyl chloride
- (D) n-butyl chloride
Show Answer
(B) 2-Chloro-2-methylpropane
Q7. The decreasing order of boiling points of alkyl halides is
- (A) RF > RCl > RBr > RI
- (B) RBr > RCl > RI > RF
- (C) RI > RBr > RCl > RF
- (D) RCl > RF > RI > RBr
Show Answer
(C) RI > RBr > RCl > RF
Q8. Chlorobenzene is prepared commercially by
- (A) Raschig process
- (B) Wurtz Fittig reaction
- (C) Friedel-Craft’s reaction
- (D) Grignard reaction
Show Answer
(A) Raschig process
Q9. Which of the following possesses highest melting point?
- (A) Chlorobenzene
- (B) m-dichlorobenzene
- (C) o-dichlorobenzene
- (D) p-dichlorobenzene
Show Answer
(D) p-dichlorobenzene
Q10. the length of the carbon-carbon single bond is
- (A) 1.34 Å
- (B) 1.20 Å
- (C) 1.54 Å
- (D) None
Show Answer
(C) 1.54 Å
haloalkanes and haloarenes objective questions pdf in English
Q11. Chloroform is a
- (A) primary halide
- (B) tetiary halide
- (C) trihalogen derivative
- (D) none
Show Answer
(C) trihalogen derivative
Q12. which of the following is used as an anesthetic
- (A) Chloroform
- (B) iodoform
- (C) acetylene
- (D) methane
Show Answer
(A) Chloroform
Q13. Chloroform reacts with silver to form
- (A) C2H4
- (B) C2H2
- (C) CH2Cl2
- (D) C6H6
Show Answer
(B) C2H2
Q14. DDT Is an effective
- (A) antiseptic
- (B) insecticide
- (C) two of these
- (D) None
Show Answer
(B) insecticide
Q15. alkyl halide are converted into alcohol by
- (A) by additive reaction
- (B) by displacement reaction
- (C) by elimination reaction
- (D) none
Show Answer
(B) by displacement reaction
Class 12 Chemistry Chapter 10 Haloalkanes and Haloarenes MCQs In English
Q16. the following allotropes have the highest percentage of carbon
- (A) in wood charcoal
- (B) in coconut charcoal
- (C) in graphite
- (D) none
Show Answer
(C) in graphite
Q17. Which sequence should isomeric dichlorobenzenes be boiled in?
- (A) para>ortho>meta
- (B) meta>ortho>para
- (C) ortho>meta>para
- (D) para>meta>ortho
Show Answer
(A) para>ortho>meta
Q18. A monohaloarene is an example of a
- (A) aliphatic halogen compound
- (B) aromatic halogen compound
- (C) alkyl halide
- (D) side chain substituted aryl halide
Show Answer
(B) aromatic halogen compound
Q19. The compound C6H5F is an example of a ________ halide
- (A) allylic
- (B) benzylic
- (C) benzylic
- (D) aryl
Show Answer
(D) aryl
Q20. Phosgene is a common name for
- (A) phosphoryl chloride
- (B) thionyl chloride
- (C) carbon dioxide and phosphine
- (D) carbonyl chloride
Show Answer
(D) carbonyl chloride
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Class 12 Chemistry Objective Questions In English
haloalkanes and haloarenes class 12 mcq PDF
| Pattern Based | Bihar Board, Patna |
| Class | 12th or Inter |
| Article Name | Class 12 Chemistry Chapter 10 MCQ In English |
| Category | Class 12 Chemistry Chapter Wise Objective Question |
| Chapter Name | Haloalkanes and Haloarenes |
| Subject | Class 12 Chemistry |
| Class 12th English Summary | BSEB Class 12th English Summary |
| Class 10th Science All Chapter Objective Question | Class 10th Science All Chapter Objective Question |
| Type Of Question | Objective Question || 01 Marks |
| Script | Hindi And English Medium |
| Published On | Bihari Academy |
