PCCA H+CH3NH2 BH2/Pd-CProduct

Product is

1.

2.

3.

4.

 

PCCA H+CH3NH2 BH2/Pd-Cउत्पाद

उत्पाद है-

1.

2.

3.

4.

 

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In the reaction, P is: COSeO2P+SE+H2O

(1) CH3COCHO

(2) CH3COOCH3

(3) CH3COCH2OH

(4) none of these

 

 

अभिक्रिया में, P है:

1. CH3COCHO

2. CH3COOCH3

3. CH3COCH2OH

4. इनमें से कोई नहीं

 

 

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The presence of unsaturation in organic compounds can be tested with :

1. Schiff's reagent

2. Tollen's reagent

3. Fehling's reagent

4. Baeyer's reagent

कार्बनिक यौगिकों में असंतृप्ता की उपस्थिति का किसके साथ परीक्षण किया जा सकता है?

1. शिफ अभिकर्मक

2. टॉलेन अभिकर्मक

3. फेलिंग अभिकर्मक

4. बेयर अभिकर्मक

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When formic acid reacts with PCl3, it forms:

(1) formyl chloride

(2) acetyl chloride

(3) methyl chloride

(4) propionyl chloride

जब फॉर्मिक अम्ल PClके साथ अभिक्रिया करता हैयह निर्मित करता है:

1. फॉर्मिल क्लोराइड

2. एसिटिल क्लोराइड

3. मेथिल क्लोराइड

4. प्रोपियोनिल क्लोराइड 

 62%

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Which acid gives wine red colour with neutral FeCl3?

1. Propanoic acid

2. Acetic acid

3. Formic acid

4. None of these

कौन सा अम्ल उदासीन FeCl3 के साथ शराब जैसा लाल रंग देता है?

1. प्रोपेनोइक अम्ल 

2. एसीटिक अम्ल 

3. फॉर्मिक अम्ल 

4. इनमें से कोई नहीं

 50%

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+Br2 CCl4?

1.

2.

3.

4.

+Br2 CCl4?

1.

2.

3.

4.

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CH2=CH-CHO+HCNA(Major),

the compound 'A' is

1. CH2=CH-CH-CH(OH)(CN)

2. CH3-CH(CN)-CHO

3. CH2(CN)-CH2-CHO

4. CH3-C(OH)(CN)-CH3

CH2= CH-CHO + HCNA(मुख्य),

यौगिक 'A' है

1. CH2= CH-CH-CH(OH)(CN)

2. CH3-CH(CN)-CHO

3. CH2(CN)-CH2-CHO

4. CH3-C(OH)(CN)-CH3

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LiAlH4Major product is:-

1.

2.

3.

4.

 

LiAlH4मुख्य उत्पाद है:-

1.

2.

3.

4.

 

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and can be distinguished by

1. I2+NaOH

2. NaSO3H

3. NaCN/HCl

4. 2,4-DNP

 

(1) a,b,d

(2) a,b

(3) a,c,d

(4) a,d

औरको किसके द्वारा विभेदित किया जा सकता है?

1. I2+NaOH

2. NaSO3H

3. NaCN/HCl

4. 2,4-DNP

 

(1) a,b,d

(2) a,b

(3) a,c,d

(4) a,d

 52%

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The term hypnone is used for:

(1) benzophenone

(2) acetophenone

(3) acetaldehyde

(4) none of these

हिपनोन शब्द का प्रयोग इसके लिए किया जाता है:

1. बेंजोफीनोन

2. एसिटोफीनोन

3. एसीटैल्डिहाइड

4. इनमें से कोई नहीं

 55%

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