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

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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

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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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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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