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Amines

Solution for Class 11, Chemistry, Amines

Question 141

'A'

(C_{8} H_{6} Cl_{2} O) ⟶ NH_{3} C_{8} H_{8} CINO NaOH Br_{2}

Consider the above reaction, the compound '

A

' is: (A) (B) (C) Madantri

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Question 142

Q.34 Consider the given reaction :

C_{6} H_{5} - CH_{2} - NH_{2} ⟶ C_{6} H_{5} SO_{2} Cl Product

Product of the reaction will be soluble in :

Aqueous $NaOH$ .
dil. $HCl$
dil. $H_{2} SO_{4}$
conc. $HCl$

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Question 143

1. ) 1 5. population has disappeared Disorder may be caused by Global warming, Pesticide use and Habitat loser one of a myriad of other animals, including birds, bats, beetles, and butter called pollinators Pollinators transfer pollen and seeds frony one flowe another, Artilizing the plant so it can grow and produce food. (Cross-pollin helps at least 30 percent of the world's crops and 90 percent of our wild plac thrive without bees to spread seeds, many plants-including food crops-woul off Who are called pollinators? What do people generally think about bees? How does cross pollination help in making fruits ? Name any one cause of Colony Collapse Disorder. The word 'plummet' means: madrastic fall e fruit SECTION C Note: The answer to questions in this section should be written at one place in the anst Book separately. The entrie section should be answered in one stretch and not mi with other sections. Ox CO Fill in the blanks with a', 'an', or 'the' a) Arunima Sinha is b) I told him, c)Rohit is an IAS officer. d) Hindus read Gita. e) They sell oil at Rs. 60 M Hockey is the interesting game. IX. Fill in the blanks with suitable prepositions: a) Manaswi goes b) Amaravati is the capital city c) We have a party d) Abdul suffers c) uprise first indian amputee to climb Mt. Everest. thousand times not to repeat the mistake. gs sed: litre.f) school by car. finished: television. Andhra Pradesh. his birthday. back-ache. My brother lives Bengalore. f) I saw it Fill in the blanks with suitable forms of the verbs given in the bracket:: 5x1 = 5M a) The sun to (rise) in the east. b) wef. (finish) our breakfast half an hour ago. c) If she passes the exam, She (he) very happy. sleep) twork) in this garden since morning. d) Don't make a noise. The baby e) He XI. Rewrite the sentences as directed: a) Suresh broke the toy (change the voice) 6 x 1/2 = 3M succumb surrender: errected raised 6 x 1/2 = 3M 5x1 = 5M

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Question 144

THE MERITORIOUS YOUTUBE CHANNEL 9 For more Pdfs, join our YouTube and Telegram channels November 30,2022 g. Tertiary amines not give acylation reaction h. Ethyl amine is soluble in water while aniline is not. 2. What happens when: (Write equations only)

Ethyl amine react with Nitrous acid.
Aniline reacts with bromine water in aqueous medium.
Aniline reacts with sodium Nitrite and Hydrochloric acid at $278 K$ .

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Question 145

Which of the following is not a part of the dominant 'yellow' colour in the poem?

Goldfinch's face
The bird's feathers
The tree and its leaves iv) The sunlight

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Question 146

Read the text carefully and answer the questions: Where did my childhood go? It went to some forgotten place, That's hidden in an infant's face, That's all I know a) Where does the poet think childhood can be found?

Infant's face
Childhood alleys
Forgotten place

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Amines

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Question 147

Through the given lines of the poem, the poet wants to convey

Growing up involves maturity and logical thinking
Imaginary places do not actually exist in the world
Double-faced behaviour of the people in society

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Question 148

The tone Innocence of childhood disappears as one grows up

tone of the poet in the given poem is
Contented
Jovia

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Question 149

wind fell down c) wheed of wind greatly reduced the sky had become dark?

lights of the ship were switched off
a wave was approaching ship
a cloud was approaching ship
night was approaching

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Amines

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Question 150

Read the text carefully and answer the questions:

[4]

CYRIL: [moving to the table; annoyed] Why not? MRS. PEARSON: [coolly] I couldn't bother CYRIL: Feeling off-colour or something? Mrs. PEARSON: Never felt better in my life. CYRIL: [aggressively] What's the idea then? MRS. PEARSON: Just a change. CYRIL: [briskly] Well, snap out of it, Ma-and get cracking. Haven't too much time. a) What can you say about Cyril from the given lines? Page 8 of 10

He is dumb and acts superior in front of his mother
He takes his mother for granted
He is arrogant and egoistic
He always disrespects his mother

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Amines

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Question 151

H + I

H Pmines are I Sasic in nature because, in amine N-Contain's 1 Lone pair, it have 't tenderes to donate the lone pait to form, co-ordinate bond. (c)

R - N_{H}^{H} + H H + H O H \to A_{H}^{H} \to H + O H

0 Lecuis base

⟶

because, it is proton accettor - Brosted base

⟶

- Arhenius base

\to

because, it give

OH^{-}

in watet. be Gumte,

8^{\circ}

Group:i *

3^{\circ}

group have Bulky Group o steric hindrance Nittogen of

3^{\circ}

Amine dont easily donates hone paiz. Therefore

3^{\circ}

amine ar less basic than

2^{\circ} + 1 2^{\circ}

Amine

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Amines

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Question 152

Basic nature

α

। c)

E . N

thar. L.P. Resorance. 13)

K a ⟶ 221 > 2 KKb ⟶ 2 > 1 \otimes_{NH2} ⟶

\prod_{Non-Aromatil}

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Amines

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Question 153

(a) Diazotization reaction: Primary amines react with

NaNO_{2}

in presence of

HCl

273 - 283 K

to form diazonium salts.

Ex
:AP 18
Aniline
Benzene diazonium chloride

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Amines

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Question 154

(1) रंगीन लवण कौन बनाता है। sCHool dakr (i1) HOME WORK GIVEN

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Question 155

Coupling Reactions

\to

Exercise (1) (2)

⟶ dil. NaOH

(3)

⟶ dil. HCl

(4) dil. HCl

⟶

(3) dil.

HCl ⟶

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Amines

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Question 156

Choose the correct answer of the following questions : (i) She has gone through (ii) Theres is books she has. (few, a few, the few) 1 (iii) I have milk so you can't make tea. (little, a little, the little) (iv) Do understanding with a horse, he said. (a, an, the) (v) people attend the meetings? (few, aný, mâny)

some of us compete to oust one another.

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Amines

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Question 157

She (ii) Drivers not run fast as she is fat. (can, could, would) (iii) observe the traffic rules. (should, mũst, ought to) I see Mr. Sharma? (Cań, Could, May) (iv) We ......... never loose hopes. (v) ......... you like to have coffee?

could
would
should
may

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Amines

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Question 158

Q3. istopes:

18^{12} 0, 180

Percentage

= 90%

A mm = 16 : 2

find

%

O^{12}

and 180

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Amines

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Question 159

(d^{9} s^{0}) (d^{10} s^{1}) (d^{5} s^{0}) (d^{5} s^{2})

3. Aniline reacts with mixed acid (conc.

HNO_{3}

and conc.

H_{2} SO_{4})

288 K

to give

P (51%), Q (47%)

and

R

(2\%). The major product(s) of the following reaction sequence is (are) 5. E.OH,

AO

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Amines

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Question 160

4. Identify product

D

in the following reaction sequence: CC(C)(C)CCO Critical Thinking (a) CC(C)CC#N (b) CC(C)CCN(C)C (c) CC(C)CC(C)N(C)C (d) CC(C)CC(C)C

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Amines

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Solution for Class 11, Chemistry, Amines

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