Product (A) & (B) of the above reaction is:-

1. A=P,B=P     

2. A=Q,B=Q     

3. A=P,B=Q       

4. A=Q,B=P

*ऊष्मा

*ऊष्मा

उपरोक्त अभीक्रिया का उत्पाद (A) और (B) है:

1. A=P,B=P     

2. A=Q,B=Q     

3. A=P,B=Q       

4. A=Q,B=P

 

 54%
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(1) 
(2)
(3)
(4)

(1) 
(2)
(3)
(4)

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Which of the following is the strongest base ?

1. 

2. 

3. 

4. 

निम्नलिखित में से कौन सा प्रबल क्षारीय है?

1. 

2. 

3. 

4. 

 63%
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Which one of the following compound give carboxylic acid by hydrolysis ?

(1) 

(2) Ph-CN

(3) 

(4) All of these

निम्नलिखित में से कौन सा यौगिक जल-अपघटन द्वारा कार्बोक्सिलिक अम्ल देता है?

(1) 

(2) Ph-CN

(3) 

(4) ये सब

 69%
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 H2OBr2 (A) (ii) H3PO2(i) NaNO2/HCl (B), Product (B) in this reaction is:

1. 

2. 

3. 

4. 

 H2OBr2 (A) (ii) H3PO2(i) NaNO2/HCl(B), इस अभिक्रिया में उत्पाद (B) है:

1. 

2. 

3. 

4. 

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Which of the following will be most stable diazonium salt RN2+X- ?

1. CH3N2+X-

2. C6H5N2+X-

3. CH3CH2N2+X-

4. C6H5CH2N2+X-

निम्नलिखित में से कौन सा अधिक स्थायी डाइएजोनियम लवण RN2+X- होगा?

1. CH3N2+X-

2. C6H5N2+X-

3. CH3CH2N2+X-

4. C6H5CH2N2+X-

 56%
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C (major product) is

(1) 
(2)
(3)
(4) none of these

C (प्रमुख उत्पाद) है:

(1) 
(2)
(3)
(4) इनमें से कोई नहीं

 63%
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Intermediates formed during the reaction of RCONH2 with Br2 and KOH are                                

1. RCONHBr and RNCO

2. RNHCOBr and RNCO

3. RNHBr and RCONHBr

4. RCONBr2

RCONH2 की Br2 और KOH के साथ अभिक्रिया के दौरान निर्मित मध्यवर्ती हैं:

1. RCONHBr और RNCO

2. RNHCOBr और RNCO

3. RNHBr और RCONHBr

4. RCONBr2

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In a reaction of aniline a colored product C was obtained.

The structure of C would be

1. 

2. 

3. 

4. 

एनिलीन की अभिक्रिया में एक रंगीन उत्पाद C प्राप्त किया गया था।

The structure of C would be

*शीत

1. 

2. 

3. 

4. 

 57%
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1. 
2.
3.
4. All of these

1. 
2.
3.
4. ये सभी

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