Which would be least reactive towards bromine?

(1) Nitrobenzene

(2) Anisole

(3) Phenol

(4) Chlorobenzene

कौनसा ब्रोमीन के प्रति कम से कम अभिक्रियाशील होगा?
(a) नाइट्रोबेंजीन
(b) ऐनिसोल
(c) फीनॉल 
(d) क्लोरोबेंजीन

To unlock all the explanations of this course, you need to be enrolled.

Hints

Which is the major product of the following reaction?

 H2O
heatNaOH Product

1. 

2. 

3. 

4. 

निम्नलिखित अभिक्रिया का प्रमुख उत्पाद कौन सा है?

Product- उत्पाद 

1. 

2. 

3. 

4. 

From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

SN2 conditionsLiBrMajor product

The product X is :-

1.         

2. 

3.           

4.

SN2 स्थिति LiBrमुख्य उत्पाद 

उत्पाद X है: -

1.2. 

3.4.

 51%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

advertisementadvertisement

Order of nucleophilicity in polar protic solvent is

1. I->Br->F->Cl-

2. F->Cl->Br->I-

3. I->Cl->F->Br-

4. I->Br->Cl->F-

ध्रुवीय प्रोटिक विलायक में नाभिकरागिता का क्रम है:

1. I->Br->F->Cl-

2. F->Cl->Br->I-

3. I->Cl->F->Br-

4. I->Br->Cl->F-

From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

The reaction of C6H5CH=CHCH3 with HBr produces

 

C6H5CH=CHCHकी अभिक्रिया HBr के साथ क्या उत्पादित करती है:

 

To unlock all the explanations of this course, you need to be enrolled.

Hints

End product (D) in the given sequence is:

दिए गए अनुक्रम में अंतिम उत्पाद (D) है:

Molar equivalent- ग्रामअणुक तुल्यांक  

To unlock all the explanations of this course, you need to be enrolled.

Hints

advertisementadvertisement

What would be the product formed when 1-bromo-3-chlorocyclobutane reacts with two equivalents of metallic sodium in ether?

1.   

2. 

3.    

4. 

जब 1-ब्रोमो-3-क्लोरोसाइक्लोब्यूटेन, ईथर में धात्विक सोडियम के दो तुल्यांक के साथ अभिक्रिया करता है तो क्या उत्पाद बनेगा?

(a) (b)

(c) (d)

 65%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

End product D of the following reaction will be

(1)
(2)
(3)
(4)

निम्नलिखित अभिक्रिया का अंतिम उत्पाद D होगा:

(1)
(2)
(3)
(4)

From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

Br. will abstract which of the hydrogen most readily ?

(1) a

(2) b

(3) c

(4) d

 

Br. किस हाइड्रोजन को सबसे आसानी से निष्कासित करेगा?

(1) a

(2) b

(3) c

(4) d

From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

advertisementadvertisement

Product obtained in above Wurtz reaction is:-
Na(Dry ether)

(1) 

(2)
(3)        

(4) Both (1) and (2)

उपर्युक्त वुर्ट्ज़ अभिक्रिया में प्राप्त उत्पाद है: -

(a) (b)
(c)

(d) (a) और (b) दोनों 

 53%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints