Zn-Hg/HClProduct, Product is

1.    2.

 

3.    4.

 

Zn-Hg/HClउत्पाद, उत्पाद है

1.    2.

 

3.    4.

 

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A single compound of the structure  is obtained from ozonolysis of which of the following cyclic compounds?

1. 

2. 

3. 

4. 

 

 संरचना का एक एकल यौगिक, निम्नलिखित चक्रीय यौगिकों में से किससे ओजोनोपघटन से प्राप्त होता है?

1. 

2. 

3. 

4. 

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The reaction

is fastest when X is

1. Cl

2. NH2

3. OC2H5

4. OCOR

अभिक्रिया

सबसे तेज है जब X है

1. Cl

2. NH2

3. OC2H5

4. OCOR

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iiH+/H2OiNaOH/100°c

Major Product is:

1. 

2.

 

3.

4.

iiH+/H2OiNaOH/100°c

मुख्य उत्पाद है:

1. 

2.

 

3.

4.

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Product (A) of the reaction is :

1.

2.

3.

4.

अभिक्रिया का उत्पाद (A) है:

1.

2.

3.

4.

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End Product (C) in above reaction is :

1.

2.

3.

4.

उपरोक्त अभिक्रिया में अंतिम उत्पाद (C) है:

1.

2.

3.

4.

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In which of the following compounds the methylenic hydrogens are the most acidic ?

1. CH3COCH2CH3

2. CH3CH2COOC2H5

3. CH3CH2CHCOOC2H52

4. CH3COCH2CN

निम्नलिखित में से किस यौगिक में मिथाइलीनिक हाइड्रोजन सबसे अम्लीय हैं?

1. CH3COCH2CH3

2. CH3CH2COOC2H5

3. CH3CH2CHCOOC2H52

4. CH3COCH2CN

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Molecular weight of compound (A) is:

1. 58

2. 120

3. 60

4. 182

यौगिक (A) का अणु भार है:

1. 58

2. 120

3. 60

4. 182

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The following reaction gives:

 + HCHOconc.NaOH?

(1)  + CH3OH                   

(2)  + HCO2

(3)  +HCOOH                 

(4)  + CH3OH

 

निम्नलिखित अभिक्रिया देती है:

 + HCHOसांद्र NaOH?

(1)  + CH3OH                   

(2)  + HCO2

(3)  +HCOOH                 

(4)  + CH3OH

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Acetophenone on oxidation by perbenzoic acid gives phenyl acetate. The reaction is named as:

(1) Baeyer-Villiger oxidation

(2) Perkin's reaction

(3) Claisen condensation

(4) Reformatsky reaction

एसिटोफीनोन परबेंजोइक अम्ल द्वारा ऑक्सीकरण पर फेनिल एसीटेट देता है। इस अभिक्रिया का नाम है:

1. बेयर-विलेगर ऑक्सीकरण

2. पर्किन अभिक्रिया

3. क्लेजन संघनन

4. रिफॉर्मैट्सकी अभिक्रिया

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