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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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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