MCQ on Class 11 Chemistry Chapter 12 Organic Chemistry Some Basic Principles And Techniques

Sports GK Questions and Answers 2024 (Latest Updated)

Awards & Honours GK Questions 2024 (Latest Updated)

Questions
1 Which of the following behaves both as a nucleophile and as an electrophile?
A CH3C ≡ N
B CH3OH
C CH2 = CHCH3
D CH3NH2

Answer:CH3C ≡ N
2 A crystalline solid possess which one of the following property?
A Irregularity
B Non- symmetric
C Perfect geometric pattern
D non- stability

Answer:Perfect geometric pattern
Advertisement
Article and Schedule Quiz Start Test!
DOWNLOAD CURRENT AFFAIRS PDF FROM APP
3 Inductive effect involves
A displacement of σ electrons
B delocalization of π electrons
C delocalization of σ-electrons
D displacement of π-electrons

Answer:displacement of σ electrons
4 Which element is estimated by Carius method
A Carbon
B Hydrogen
C Halogen
D Nitrogen

Answer:Halogen
5 If there is no rotation of plane polarized light by a compound in a specific solvent, thought to be chiral, it may mean that
A The compound may be a racemic mixture
B The compound is certainly a chiral
C The compound is certainly meso
D There is no compound in the solvent.

Answer:The compound is certainly meso
6 If 0.228 g of silver salt of dibasic acid gave a residue of 0.162 g of silver on ignition then molecular weight of the acid is
A 70
B 80
C 90
D 100

Answer:90
7 Which one of the following conformations of cyclohexane is chiral?
A Twist boat
B Rigid
C Chair
D Boat

Answer:Twist boat
8 The compound Organic Chemistry is known by which of the following names
A Bicyclo-[2, 2, 2] octane
B Bicyclo-[2, 2, 1] octane
C Bicyclo-[1, 2, 1] octane
D Bicyclo-[1, 1, 1] octane

Answer:Bicyclo-[2, 2, 2] octane
9 0.0833mol of carbohydrate of empirical formula CH2O contain 1 g of hydrogen. The molecular formula of the carbohydrate is
A C5H10O5
B C3H4O3
C C12H22O11
D C6H12O6

Answer:C6H12O6
10 In the Dumas method, the nitrogen present in organic compound gets converted to
A Sodium Cyanide
B Gaseoue Ammonia
C Dinitrogen Gas
D Ammonium Sulphate.

Answer:Dinitrogen Gas
11 59 g of an amide obtained from a carboxylic acid, RCOOH, liberated 17 g of ammonia upon heating with alkali. The acid is
A Formic Acid
B Acetic Acid
C Propionic Acid
D Benzoic Acid

Answer:Acetic Acid
12 What is the correct IUPAC name of

Organic Chemistry

A 4-methoxy-2-nitrobenzaldehyde
B 4-formyl-3-nitro anisole
C 4-methoxy-6-nitrobenzaldehyde
D 2-formyl-5-methoxy nitrobenzene

Answer:4-methoxy-2-nitrobenzaldehyde
13 Insulin contains 3.4% sulphur. The minimum molecular weight of insulin is
A 350
B 470
C 560
D 940

Answer:940
14 Which one is strongest acid among following options?
A CH2FCOOH
B CH2ClCOOH
C CHCl2COOH
D CHF2COOH

Answer:CH2ClCOOH
15 An organic compound which produces a bluish green coloured flame on heating in presence of copper is
A Chlorobenzene
B Benzaldehyde
C Aniline
D Benzoic acid

Answer:Benzoic acid
16 Which of the following cannot be represented by resonance structures?
A Dimethyl ether
B Nitrate anion
C Carboxylate anion
D Toluene

Answer:Dimethyl ether
17 The displacement of electrons in a multiple bond in the presence of attacking reagent is called
A Inductive effect
B Electromeric effect
C Resonance
D Hyper conjugation.

Answer:Electromeric effect
18 0.0833mol of carbohydrate of empirical formula CH2O contain 1g of hydrogen. The molecular formula of the carbohydrate is
A C5H10O5
B C3H4O3
C C12H22O11
D C6H12O6

Answer: C6H12O6
19 Identify the chiral molecule among the following:
A Isopropyl alcohol
B 2-pentanol
C 1-bromo 3-butene
D Isobutyl alcohol

Answer:Isobutyl alcohol
20 If two compounds have the same empirical formula but different molecular formula they must have
A Different percentage composition
B Different molecular weight
C Same viscosity
D Same vapour density

Answer:Different molecular weight

Random GK Questions

Q. Which of the following represent the standard of living in a country ?
Q. Which functionary can be invited to give his opinion in the Parliament?
Q. Which one of the following is used as a food preservative?
Q. Which one of the following is the specific feature of the single member constituency system?
Q. Which of the following makes the skin layer impervious to water?
Q. The seventy third Amendment Act, 1992 of the Indian Constitution was passed to

Chapters

Assam Direct Recruitment Test Series

Teacher Eligibility Test

Assam Direct Recruitment Test Series