Which of the following carbocation will undergo rearrangement ?

1.  2.

3. CH3-CH-C=O          4. CH3-NH-CH-CH-CH3
                |                                                       |
              CH3                                                   CH2

 

निम्नलिखित में से कौन सा कार्बधनायन पुनर्व्यवस्था से गुजरेगा?

1.  2.

3. CH3-CH-C=O          4. CH3-NH-CH-CH-CH3
                |                                                       |
              CH3                                                   CH2

 

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The correct order of nucleophilicity among the following is:

(I) CH3-C∥O-O-

(II) CH3O-

(III) CN-

(IV) 

(1) I > II > III > IV

(2) IV > III > II > I

(3) II > III > I > IV

(4) HI > II > I > IV

निम्नलिखित में से नाभिकरागिता का सही क्रम है:

(I) CH3-CO2-O-

(II) CH3O-

(III) CN-

(IV) 

(a) I > II > III > IV

(b) IV > III > II > I

(c) II > III > I > IV

(d) HI > II > I > IV

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The correct IUPAC name of the compound

 is

1. 3-ethyl-4-ethenylheptane

2. 3-ethyl-4-propylhex-5-ene

3. 3-(1-ethyl propyl) hex-1-ene

4. 4-ethyl-3-propylhex-1-ene

 

यौगिक का सही IUPAC नाम है-

 

1. 3-एथिल-4-एथेनिलहेप्टेन

2. 3-एथिल-4-प्रोपिलहेक्स-5-ईन 

3. 3-(1-एथिल प्रोपिल)हेक्स-1-ईन 

4. 4-एथिल-3-प्रोपिलहेक्स-1-ईन 

 

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Among the given compounds, the most susceptible to nucleophilic attack at the carbonyl group is

1. CH3COOCH3

2. CH3CONH2

3. CH3COOCOCH3

4. CH3COCl

दिए गए यौगिकों में, कार्बोनिल समूह पर नाभिकरागी आक्रमण के लिए सबसे अधिक अतिसंवेदनशील है-

1. CH3COOCH3

2. CH3CONH2

3. CH3COOCOCH3

4. CH3COCl

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The chirality of the compound                           

1. R       

2. S        

3. Z        

4. E

यौगिक की काइरलता है-

1. R       

2. S        

3. Z        

4. E

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The IUPAC name of the compound,

 is:

1. 1, 3-dibromo-3-methylbutane

2. 3-methyl-1,2-bromobutane

3. 3-methyl-1,3-bromopropane

4. none of the above

यौगिक 

 का IUPAC नाम है:

1. 1, 3-डाईब्रोमो-3-मेथिलब्यूटेन

2. 3-मेथिल-1,2-ब्रोमोब्यूटेन

3. 3-मेथिल-1,3-ब्रोमोप्रोपेन

4. उपरोक्त में से कोई नहीं

 50%

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Which nomenclature is not according to IUPAC system?

1. Br-CH2-CH=CH2
1-bromo prop-2-ene

2. 

3. 

4. 

 

कौन सा नामकरण IUPAC प्रणाली के अनुसार नहीं है?

1. 

2. 

3. 

4. 

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The IUPAC name of the compound

1. 2-iodo-3-chloro-4-pentanoic acid

2. 4-oxo-3-chloro-2-iodo pentanoic acid

3. 4-carboxy-4,3-chloro-2-butanone

4. 3-chloro-2-iodo-4-oxo-pentanoic acid

यौगिक का IUPAC नाम है-

1. 2-आयोडो-3-क्लोरो-4-पेंटेनोइक अम्ल

2. 4-ऑक्सो-3-क्लोरो-2-आयोडो पेंटेनोइक अम्ल

3. 4-कार्बोक्सी-4,3-क्लोरो-2-ब्यूटेनोन

4. 3-क्लोरो-2-आयोडो-4-ऑक्सो-पेंटेनोइक अम्ल

 50%

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Which of the following represents the correct order of the acidity in the given compounds ?

1. CH3COOH > BrCH2COOH > CICH2COOH > FCH2COOH

2. FCH2COOH > CH3COOH > BrCH2COOH > CICH2COOH

3. BrCH2COOH > CICH2COOH > FCH2COOH > CH3COOH

4. FCH2COOH > CICH2COOH > BrCH2COOH > CH3 COOH

 

निम्नलिखित में से कौन दिए गए यौगिकों में अम्लता के सही क्रम को दर्शाता है?

1. CH3COOH > BrCH2COOH > CICH2COOH > FCH2COOH

2. FCH2COOH > CH3COOH > BrCH2COOH > CICH2COOH

3. BrCH2COOH > CICH2COOH > FCH2COOH > CH3COOH

4. FCH2COOH > CICH2COOH > BrCH2COOH > CH3 COOH

 

 

 

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The IUPAC name of, is:

1. 3-methyl cyclo-1-buten-2-ol

2. 4-methyl cyclo-2-buten-1-ol

3. 4-methyl cyclo-1-buten-3-ol

4. 2-methyl cyclo-3-buten-1-ol

  का IUPAC नाम है:

1. 3-मेथिल साइक्लो-1-ब्यूटेन-2-ऑल 

2. 4-मेथिल साइक्लो-2-ब्यूटेन-1-ऑल 

3. 4-मेथिल साइक्लो-1-ब्यूटेन-3-ऑल 

4. 2-मेथिल साइक्लो-3-ब्यूटेन-1-ऑल 

 52%

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