Alcohols Phenols and Ethers Test

Result

Alcohols Phenols and Ethers Test - 72

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Weekly Quiz Competition

Question 1
1 / -0

Choose the compound that shows a precipitate readily on treatment with anhydrous $$ZnCl_2$$ in concentrated hydrochloric acid ?

A

B

C

D
Question 2
1 / -0

Which of the following will react most readily with $$HI$$?

A
$$CH_3OH$$

B
$$(CH_3)_3COH$$

C
$$CH_3CH_2OH$$

D
$$(CH_3)_2CHOH$$

Solution
Question 3
1 / -0

In the reaction sequence,

$$2CH_{3}CHO \xrightarrow []{OH^{-}}A\xrightarrow []{\Delta}B\ ;$$

the product $$B$$ is:

A
$$CH_{3}-CH_{2}-CH_{2}-CH_{2}-OH$$

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

C
$$CH_{3}-CH_{2}-CH_{2}-CH_{3}$$

D
$$CH_3-\overset {\displaystyle {\overset {\displaystyle O} {||}}}{C}-CH_3$$
Question 4
1 / -0

Identify major products $$r_1,r_2 $$ and $$r_3$$ in the given reaction.

A

B

C

D

E

Solution
Question 5
1 / -0

$$(CH_{3})_{2}CHCH_{3} $$ $$\underrightarrow { HN{ O }_{ 2 } } $$ ?

A
$$n-$$butyl alcohol

B
isobutyl alcohol

C
tetiary butyl alcohol

D
secondary butyl alcohol
Question 6
1 / -0

i- $$1,2$$ dihydroxy benzene
ii- $$1,3$$ dihydroxy benzene
iii- $$1,4$$ dihydroxy benzene
The increasing order of boiling points of the above mentioned alcohols is

A
$$i < ii < iii $$

B
$$ ii < iii < i$$

C
$$iii < ii < i$$

D
$$ii < i < iii$$
Question 7
1 / -0

How many pi($$\pi $$) electron are there in the following molecule?

A
$$4$$

B
$$6$$

C
$$8$$

D
$$10$$
Question 8
1 / -0

ortho-Nitrophenol is less soluble in water than p- and m-Nitrophenol because:

A
Melting point of o-nitrophenol is lower than of m- and p- isomers

B
o-Nitrophenol is more volatile in steam than those of m- and p- isomers

C
o- Nitrophenol shows intramolecular H- bonding

D
o- Nitrophenol shows intermolecular H- bonding
Question 9
1 / -0

The major product 'P' is:

A

B

C

D

E

Solution
Question 10
1 / -0

Use resonance arguments to rank the following in order of increasing acidity.

A
I > II > III

B
I > III > II

C
II > III > I

D
III > I > II