Reactant (A) and (B) is:

1. Ph-CH2-CH=O + NH2-OH

2. Ph-CH=O + NH2-OH

3. Ph-CllO-CH3 + NH2-NH2

4. Ph-CllO-CH3 + NH2-OH

अभिकारक (A) और (B) है:

1. Ph-CH2-CH=O + NH2-OH

2. Ph-CH=O + NH2-OH

3. Ph-CllO-CH3 + NH2-NH2

4. Ph-CllO-CH3 + NH2-OH

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Ph-ClOH-CH3PCC(A)NH2-NH-CO-NH2(B)

Product (B) is :

1. Ph-ClCH3=N-NH-CllO-NH2

2. Ph-ClCH3=N-CllO-NH-NH2

3. Ph-CH=N-NlCH3-CllO-NH2

4. Ph-ClCH3=N-CllO-NH-NH2

Ph-ClOH-CH3PCCANH2-NH-CO-NH2B

उत्पाद (B) है:

1. Ph-ClCH3=N-CllO-NH-NH2

2. Ph-ClCH3=N-CllO-NH-NH2

3. Ph-CH=N-NlCH3-CllO-NH2

4. Ph-ClCH3=N-CllO-NH-NH2

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Ph-CH3CrO2Cl2(A)conc.KOHPh-CH2OH + (B)

Product (B) of above the raction is :

1. Ph-CO2H

2. Ph-CO2-

3. Ph-CHO

4. Ph-CH3

 

Ph-CH3CrO2Cl2(A)सांद्र KOHPh-CH2OH + (B)

उपरोक्त अभिक्रिया का उत्पाद (B) है:

1. Ph-CO2H

2. Ph-CO2-

3. Ph-CHO

4. Ph-CH3

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Above compounds can be differentiated by following reagent:

1. 2-4 DNP (Brady reagent)

2. Tollen's reagent

3. Bromine water reagent

4. NaHSO3

उपरोक्त यौगिकों को निम्नलिखित अभिकर्मक द्वारा विभेदित किया जा सकता है:

1. 2-4 DNP (ब्रैडी अभिकर्मक)

2. टॉलेन अभिकर्मक

3. ब्रोमीन जल अभिकर्मक

4. NaHSO3

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Which of the following acid remains unaffected on heating ?

(1) malonic acid

(2) maleic acid

(3) Fumaric acid

(4) Succinic acid

निम्नलिखित में से कौन सा अम्ल गर्म करने पर अप्रभावित रहता है?

(1) मैलोनिक अम्ल 

(2) मैलेइक अम्ल

(3) फ्यूमेरिक अम्ल

(4) सक्सिनिक अम्ल

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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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