Which β-keto acid shown will not undergo decarboxylation ?

(a)              (b) 

(c)           O       ||Ph-C-CH2-CO2H   (d)        O       ||CH2-C-CH2-CO2H

दिखाया गया कौन सा β-कीटो अम्ल विकार्बोक्सिलीकृत नहीं होगा?

(a)           (b)

(c)    (d)

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Final product is

(1)  
(2)
(3)
(4)

अंतिम उत्पाद है

(1)  
(2)
(3)
(4)

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In which of the following compounds O18 exchange can be observed on keeping it in H2O18

(1)  
(2)
(3)
(4)

निम्नलिखित में से किस यौगिक में H2O18 में रखने पर O18  विनिमय देखा जा सकता है

(1)  
(2)
(3)
(4)

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The IUPAC name of the CH3COCH(CH3)2 is:

1. 4-methyl isopropyl ketone

2. 3-methyl-2-butanone

3. isopropylmethyl ketone

4. 2-methyl-3-butanone

CH3COCH(CH3)2 का IUPAC नाम है:

1. 4-मेथिल आइसोप्रोपिल कीटोन

2. 3-मेथिल-2-ब्यूटेनोन 

3. आइसोप्रोपिलमेथिल कीटोन

4. 2-मेथिल-3-ब्यूटेनोन 

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Reagent to carry out above conversion,P,Q,R respectively are:

1. H2C=CH-CH2-Br,(HOθ),[HOθ,], Wacker-process

2. H2C=CH-CH2-Br(HOθ), Wacker-process, HOθ,

3. Wacker process, H2C=CH-CH2-Br(HOθ),HOθ()

4. Wacker process,HOθ(), H2C=CH-CH2-Br(HOθ)

 

क्रमशः उपरोक्त रूपांतरण को संपन्न करने के लिए P, Q, R अभिकर्मक हैं:

1. H2C=CH-CH2-Br,(HOθ),[HOθ,], वाकर-प्रक्रम 

2. H2C=CH-CH2-Br(HOθ), वाकर-प्रक्रम, HOθ,

3. वाकर प्रक्रम, H2C=CH-CH2-Br(HOθ),HOθ()

4. वाकर प्रक्रम, HOθ(), H2C=CH-CH2-Br(HOθ)

 

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Product (A) and (C) is :

1.

2. 

3.

4.

उत्पाद (A) और (C) है:

1.

2. 

3.

4.

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Identify C in the following sequence of reactions :

(1)  
(2)
(3)
(4)

अभिक्रियाओं के निम्नलिखित अनुक्रम में C की पहचान कीजिए:

(1)  
(2)
(3)
(4)

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Products of the following reaction                                   

  CH3CC.CH2CH3 (ii) hydrolysis(i) O3 ... are

1. CH3CHO + CH3CH2CHO

2. CH3COOH + CH3COCH3

3. CH3COOH + HOOC.CH2CH3

4. CH3COOH + CO2

निम्नलिखित अभिक्रिया CH3CC.CH2CH3 (ii) जलअपघटन  (i) O3 ..., के उत्पाद हैं

1. CH3CHO + CH3CH2CHO

2. CH3COOH + CH3COCH3

3. CH3COOH + HOOC.CH2CH3

4. CH3COOH + CO2

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X may be

(1)
(2)
(3)
(4)

X हो सकता है 

(1)
(2)
(3)
(4)

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The major product of reaction

(1)
(2)
(3)
(4)

अभिक्रिया का मुख्य उत्पाद है 

(1)
(2)
(3)
(4)

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