MCQ 11 Mark
Dry distillation of calcium formate gives:
- ✓HCHO
- BHCOOH
- C$ CH_{3}COOH $
- D$ CH_{3}CHO $
Answer
View full question & answer→Correct option: A.
HCHO
A
Questions
M.C.Q [1M]
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Test yourself on this topic
35 questions · timed · auto-graded
MCQ 21 Mark
- A2-Hydroxybutanal
- ✓3-Hydroxybutanal
- C2-Hydroxypropanal
- DNone of these
Answer
View full question & answer→Correct option: B.
3-Hydroxybutanal
B
MCQ 31 Mark
- ✓2-methyl-1-propanal
- BIsobutyl alcohol
- C2-methyl-1-butanal
- DNone of these
Answer
View full question & answer→Correct option: A.
2-methyl-1-propanal
A
MCQ 41 Mark
Alkyl halides form ethers by reacting with which of the following ?
- ADry $ Ag_{2}O $
- ✓Moist $ Ag_{2}O $
- CDry $ ZnO $
- DMoist $ ZnO $
Answer
View full question & answer→Correct option: B.
Moist $ Ag_{2}O $
B
Question 51 Mark
Which of the following is a tertiary alcohol?
Answer
View full question & answer→B
MCQ 61 Mark
Butan-2 ol is a:
- APrimary alcohol
- ✓Secondary alcohol
- CTertiary alcohol
- DDihydric alcohol
Answer
View full question & answer→Correct option: B.
Secondary alcohol
B
MCQ 71 Mark
Lucas reagent is:
- ✓Anhydrous $ CaCl_{2} $ and conc. HCl
- BAnhydrous $ ZnCl_{2} $ and conc. HCl
- CAnhydrous $ AlCl_{3} $ and conc. HCl
- DAnhydrous $ PdCl_{2} $ and conc. HCl
Answer
View full question & answer→Correct option: A.
Anhydrous $ CaCl_{2} $ and conc. HCl
A
MCQ 81 Mark
The product of the reaction $C _6 H _5 N=\stackrel{+}{ N } \stackrel{-}{ Cl } \xrightarrow{ H _3 O ^{+}}$is:
- AAniline
- ✓Phenol
- CMethyl alcohol
- DNone of these
Answer
View full question & answer→Correct option: B.
Phenol
B
MCQ 91 Mark
Lucas test is done to distinguish :
- ✓Alcohol
- BAlkyl halide
- CAmine
- DCarbonyl compound
Answer
View full question & answer→Correct option: A.
Alcohol
A
MCQ 101 Mark
Which one of the following compounds is soluble in water?
- A$ CHCl_{3} $
- B$C _2 H _5- O - C _2 H _5$
- C$ CCl_{4} $
- ✓$ CH_{3}CH_{2}OH $
Answer
View full question & answer→Correct option: D.
$ CH_{3}CH_{2}OH $
D
MCQ 111 Mark
Which is ethoxy ethane ?
- A$ C_{2}H_{5}OCH_{3} $
- B$ CH_{3}OCH_{3} $
- ✓$ C_{2}H_{5}OC_{2}H_{5} $
- DNone of these
Answer
View full question & answer→Correct option: C.
$ C_{2}H_{5}OC_{2}H_{5} $
C
MCQ 121 Mark
By which of the following reactions Phenol is converted into salicyl aldehyde ?
- AEtard reaction
- BKolbe's reaction
- ✓Reimer-Tiemann reaction
- DCannizzaro's reaction
Answer
View full question & answer→Correct option: C.
Reimer-Tiemann reaction
C
MCQ 131 Mark
The general formula of monohydric alcohol is:
- ✓$C _n H _{2 n+1} OH$
- B$C _n H _{2 n+2} OH$
- C$C _n H _{2 n} OH$
- DNone of these
Answer
View full question & answer→Correct option: A.
$C _n H _{2 n+1} OH$
A
MCQ 141 Mark
In above reaction X is $C _2 H _5- O - C _2 H _5+4 H$$\frac{\text { Red } P }{ HI } \rightarrow 2 X + H _2 O :$
- ✓Ethane
- BEthylene
- CButane
- DPropane
Answer
View full question & answer→Correct option: A.
Ethane
A
MCQ 151 Mark
Which of the following is a formula of methoxy methane ?
- ✓$ CH_{3}OCH_{3} $
- B$ CH_{3}COCH_{3} $
- C$ C_{2}H_{5}CH_{3} $
- D$C _2 H _5 COCH _3$
Answer
View full question & answer→Correct option: A.
$ CH_{3}OCH_{3} $
A
Question 161 Mark
Identify phenol from the following:
Answer
View full question & answer→D
MCQ 171 Mark
$R - OH + CH _2 N_2 \rightarrow$ Leaving group in this reacton is?
- A$ CH_{3} $
- BR
- ✓$ N_{2} $
- D$ CH_{2} $
Answer
View full question & answer→Correct option: C.
$ N_{2} $
C
MCQ 181 Mark
Which of the following is not characteristic of alcohol?
- AThey are lighter than water
- BTheir b.p. rise fairly uniformly with increasing molecular weight
- ✓Lower members are insoluble in water and organic solvents but solubility regularly increases with rise of molecular weight
- DLower members are having pleasant smell and burning taste while higher members are colour-less and tasteless
Answer
View full question & answer→Correct option: C.
Lower members are insoluble in water and organic solvents but solubility regularly increases with rise of molecular weight
C
MCQ 191 Mark
Which of the following is heated with iodine and NaOH for the formation of iodoform?
- A$ CH_{3}OH $
- ✓$ C_{2}H_{5}OH $
- C$ C_{2}H_{5}Cl $
- D$ C_{2}H_{5}CN $
Answer
View full question & answer→Correct option: B.
$ C_{2}H_{5}OH $
B
MCQ 201 Mark
Which of the following compounds is optically active:
- A1-butanol
- ✓2-butanol
- C1-propanol
- D2-propanol
Answer
View full question & answer→Correct option: B.
2-butanol
B
MCQ 211 Mark
When ethanol reacts with bromine in presence of red phosphorus, the compound formed:
- ✓$ C_{2}H_{6} $
- B$ PBr_{3} $
- C$ CH_{3}Br $
- D$ C_{2}H_{5}Br $
Answer
View full question & answer→Correct option: A.
$ C_{2}H_{6} $
A
MCQ 221 Mark
The number of chiral carbon in lactic acid is:
- A4
- B5
- ✓1
- D3
Answer
View full question & answer→Correct option: C.
1
C
MCQ 231 Mark
Proof spirit contains about:
- A40% alcohol by weight
- ✓50% alcohol by weight
- C25% alcohol by weight
- D10% alcohol by weight
Answer
View full question & answer→Correct option: B.
50% alcohol by weight
B
MCQ 241 Mark
In Libermann's nitroso reaction, sequential changes in the colour of phenol occurs as:
- ABrown or red $ \rightarrow $ green $ \rightarrow $ deep blue
- ✓Red $ \rightarrow $ deep blue $ \rightarrow $ green
- CRed $ \rightarrow $ green $ \rightarrow $ white
- DWhite $ \rightarrow $ red $ \rightarrow $ green
Answer
View full question & answer→Correct option: B.
Red $ \rightarrow $ deep blue $ \rightarrow $ green
B
MCQ 251 Mark
Aldol is condensation product of:
- ✓Two molecules of ethanol
- BTwo molecules of propanone
- CEthanol and pethanol
- DEthanol and propanone
Answer
View full question & answer→Correct option: A.
Two molecules of ethanol
A
MCQ 261 Mark
How many isomeric ethers are represented by the molecular formula $ C_{4}H_{10}O $?
- ✓3
- B2
- C4
- D15
Answer
View full question & answer→Correct option: A.
3
A
MCQ 271 Mark
Glycerol is a :
- APrimary alcohol
- BSecondary alcohol
- CTertiary alcohol
- ✓Trihydric alcohol
Answer
View full question & answer→Correct option: D.
Trihydric alcohol
D
MCQ 281 Mark
Carbolic acid is:
- ✓Phenol
- BPhenyl benzoate
- CPhenyl acetate
- DSalol
Answer
View full question & answer→Correct option: A.
Phenol
A
MCQ 291 Mark
Phenol is less acidic than:
- AEthanol
- BMethanol
- ✓o-Nitrophenol
- Dp-methyl phenol
Answer
View full question & answer→Correct option: C.
o-Nitrophenol
C
MCQ 301 Mark
Which of the following on reduction with $ LiAlH_{4} $ give Ethyl alcohol ($ C_{2}H_{5}OH $)?
- A$ (CH_{3}CO)_{2}O $
- B$ CH_{3}COCl $
- C$ CH_{3}CONH_{2} $
- ✓$ CH_{3}COOC_{2}H_{5} $
Answer
View full question & answer→Correct option: D.
$ CH_{3}COOC_{2}H_{5} $
D
MCQ 311 Mark
Phenol can be distinguished from ethanol by the following reagents except:
- ✓Sodium
- B$ NaOH/I_{2} $
- C$ FeCl_{3} $
- D$ Br_{2}/H_{2}O $
Answer
View full question & answer→Correct option: A.
Sodium
A
MCQ 321 Mark
The general molecular formula which represent the homologous series of alkanols is:
- ✓$ C_{n}H_{2n+2}O $
- B$ C_{n}H_{2n}O_{2} $
- C$ C_{n}H_{2n}O $
- D$ C_{n}H_{2n+1}O $
Answer
View full question & answer→Correct option: A.
$ C_{n}H_{2n+2}O $
A
MCQ 331 Mark
Which one of the following does not form hydrogen bonding?
- A$ NH_{3} $
- B$ H_{2}O $
- ✓HCl
- DHF
Answer
View full question & answer→Correct option: C.
HCl
C
MCQ 341 Mark
The functional group of alcohol is:
- A-COOH
- B-CHO
- C$- C = O$
- ✓-OH
Answer
View full question & answer→Correct option: D.
-OH
D
MCQ 351 Mark
Alcohol is formed when one of the hydrogen of Alkane is replaced by:
- ✓Hydroxyl group
- BAldehyde group
- CCarboxylic group
- DChloro group
Answer
View full question & answer→Correct option: A.
Hydroxyl group
A