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

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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

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Which of the following  gives aldol condensation

(1)

(2)

(3)

(4)

 

निम्नलिखित में से कौन एल्डोल संघघन देता है

(1)

(2)

(3)

(4)

 

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Carbonyl compounds can generally be converted to hydrocarbons by :

1. H2/Pt

2. LiAlH4

3. N2H4-KOH/

4. K2Cr2O7-H2SO4

कार्बोनिल यौगिकों को सामान्यत: किसके द्वारा हाइड्रोकार्बन में परिवर्तित किया जा सकता है?

1. H2/Pt

2. LiAlH4

3. N2H4-KOH/

4. K2Cr2O7-H2SO4

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ii·i·K2Cr2O7X; X is

1. 

2.

3.

4.

ii·i·K2Cr2O7X, X है-

1. 

2.

3.

4.

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 Zn/H2OO3I mole PNaOH  Q; Q is

1.

2.

3.

4.

 Zn/H2OO3I मोल PNaOHQ, Q है-

1.

2.

3.

4.

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The reaction  is an example of:

(1) Wolf rearrangement

(2) Favorskii rearrangement

(3) Steven's rearrangement

(4) Wagner-Meerwin rearrangement

अभिक्रिया, किसका एक उदाहरण है?

1. वोल्फ पुनर्व्यवस्था

2. फेवरस्की पुनर्व्यवस्था

3. स्टीवन पुनर्व्यवस्था

4. वैगनर-मेरविन पुनर्व्यवस्था

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The IUPAC name of crotonaldehyde is:

1. propenal                                 

2. but-2-en-l-al

3. butan-2-en-l-al                       

4. none of these

क्रोटोनल्डिहाइड का IUPAC नाम है:

1. प्रोपेनेल                 

2. ब्यूट-2-इन-1-अल

3. ब्यूटेन-2-इन-1-अल   

4. इनमें से कोई नहीं

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