Product (B) of the reaction is :

(a) Ph-CH2-NO2

(b) Ph-CH2-ONO

(c) Ph-CHO

(d) Ph-O-N=O

अभिक्रिया का उत्पाद (B) है:

(a) Ph-CH2-NO2

(b) Ph-CH2-ONO

(c) Ph-CHO

(d) Ph-O-N=O

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In the reaction

1.NaOH/Br2

                                            

the structure of the product T is :

1. 

2. 

3. 

4. 

अभिक्रिया में

उत्पाद T की संरचना है:

1. 

2. 

3. 

4. 

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Ph-CH2-CN(2)CH3-CO-Cl(3) H3O/(1)EtONA (P); Product (p) of the reaction will be :

1. Ph-CH2-CO-H

2. Ph-CH2-CO-CH3

3. Ph-CHCH3l-CO-H

4. Ph-CHCH3l-CO-CH3

Ph-CH2-CN(2)CH3-CO-Cl(3) H3O/(1)EtONA(P), अभिक्रिया का उत्पाद (P) होगा:

1. Ph-CH2-CO-H

2. Ph-CH2-CO-CH3

3. Ph-CHCH3l-CO-H

4. Ph-CHCH3l-CO-CH3

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CH2CH2CO2H BaCO3 ANH2NH2 BKOHheat (C),
 |
CH2CH2CO2H

Product (C) obtained is :

1. CH3-CH=CH-CH2

2.

3. 

4. 

प्राप्त उत्पाद (C) है:

1. CH3-CH=CH-CH2

2.

3. 

4. 

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Cyanohydrin of which compound gives lactic acid on hydrolysis?

1. Acetone                                 

2. Acetaldehyde

3. Propanal                                 

4. HCHO

सायनोहाइड्रिन किस यौगिक के साथ जलअपघटन पर लैक्टिक अम्ल देता है?

1. एसीटोन

2. एसिटैल्डिहाइड

3. प्रोपेनैल 

4. HCHO

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Acetone reacts with iodine (I2) to form iodoform in the presence of      

1. CaCO3   

2. NaOH     

3. KOH     

4. MgCO3

एसीटोन आयडोफॉर्म निर्माण के लिए किसकी उपस्थिति में आयोडीन (I2) के साथ अभिक्रिया करता है?    [1995]

(a) CaCO3  (b) NaOH  (c) KOH  (d) MgCO3

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The reaction ,

1.

2.

3.

4.

अभिक्रिया:  + सांद्र NaOH Heat उत्पाद; उत्पादों की पहचान करें |

1.

2.

3.

4.

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Fehling's solution is:

1. acidified copper sulphate solution

2. ammoniacal cuprous chloride solution

3. copper sulphate, Rochelle salt + NaOH

4. none of the above

फेलिंग विलयन है:

1. अम्लीकृत कॉपर सल्फेट विलयन 

2. अमोनियामय क्यूप्रस क्लोराइड विलयन 

3. कॉपर सल्फेट, रोशेल लवण + NaOH

4. उपरोक्त में से कोई नहीं

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Which of the following does not undergo polymerization?

(1) CH3CHO

(2) HCHO

(3) CH3COCH3

(4) None of these

निम्नलिखित में से कौन सा बहुलकीकृत नहीं होता है?

1. CH3CHO

2. HCHO

3. CH3COCH3

4. इनमें से कोई नहीं

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Zn-Hg/HClProduct, Product is

1.    2.

 

3.    4.

 

Zn-Hg/HClउत्पाद, उत्पाद है

1.    2.

 

3.    4.

 

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