Alcohols Phenols and Ethers Test

Result

Alcohols Phenols and Ethers Test - 23

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following exhibit highest boiling point?

A

B

C

D

Solution

Primary alcohol easily forms hydrogen bonds with water than 2$$^{o}$$ and 3$$^{o}$$ alcohols thus 1$$^{o}$$ alcohol has more boiling point than 3$$^{o}$$ and 2$$^{o}$$.

The image of the compound shown in the figure is a 1$$^0$$ alcohol, so, it has more boiling point.

Hence, the correct option is $$B$$
Question 2
1 / -0

Identify the compound $$'Y"$$ in the following sequence of reaction:
$$HC \equiv CH \xrightarrow[ii) H_2O/Zn]{i) O_3} X \xrightarrow{Zn/CH_3COOH} Y$$

A

B

C

D
$$CH_{3}COOH$$

Solution
Question 3
1 / -0

The IUPAC name of the compound is

A
1, 1-Dimethyl-3-cyclohexanol

B
1, 1-Dimethyl-3-hydroxycyclohexane

C
3,3-Dimethyl-1-cyclohexanol

D
3, 3-Dimethyl-1-hydroxycyclohexane

Solution

Optic C is correct answer
Question 4
1 / -0

Which of the following cannot be dissolved in alcohol?

A
Dyes and drugs

B
Soaps and varnishes

C
Resins and varnishes

D
Rubber and plastics

Solution

Rubber and plastic cannot be dissloved in alchol because of nonpolar nature of rubber and plastics
Question 5
1 / -0

Molecular formula of ethanol is ?

A
$$C{H}_{3}OH$$

B
$${C}_{2}{H}_{4}{\left(OH\right)}_{2}$$

C
$${C}_{2}{H}_{5}OH$$

D
$$HCHO$$

Solution

The correct option is C. Ethanol is alcohol and is a primary $$1$$ degree monohydric alcohol with moleculer formula $$C_2H_5OH.$$
Question 6
1 / -0

.How many number of compounds, which have same IUPAC name?

A
$$0$$

B
$$1$$

C
$$2$$

D
$$3$$

Solution
Question 7
1 / -0

The IUPAC name of the given acid is:

A
1, 2, 3-propane tricarboxylic acid

B
3-hydroxy-1, 5-pentanendioic acid

C
3-hydroxy-3-keto-1, 5-pentanedioic acid

D
1, 3, 5-trihydroxypentane-1, 5-dione

Solution
Question 8
1 / -0

Consider the given reaction
Identify alkene.

A
$$CH_{3} - CH_{2} - CH = CH_{2}$$

B
$$CH_{3} - CH = CH - CH_{3}$$

C
$$(CH_{3})_{2}C = C(CH_{3})_{2}$$

D
$$CH_{3} - CH = \underset {\underset {CH_{3}}{|}}{C} - CH_{3}$$

Solution
Question 9
1 / -0

Which of the following name does not fit a real name?

A
$$3$$ -methyl $$3$$ -hexanone

B
$$4$$ -methyl $$3$$ -hexanone

C
$$3$$ -methyl $$3$$ -hexanol

D
$$2$$ -methylcyclohexanone

Solution
Question 10
1 / -0

IUPAC name of the tertiary butyl alcohol is:

A
1-butanol

B
2-butanol

C
2-methyl-1-propanol

D
2-methyl-2-propanol

Solution

Above is the structure of tertiary butyl alcohol. Longest carbon chain contains 3 carbons and one methyl group and one hydroxy group at 2 position.
Hence, the IUPAC name of tertiary butyl alcohol is 2-methyl-2-propanol.