Consider following compounds and decide as to which of the following statements are true ?

(1) (II) gives no reaction with Na metal, however, 1 mole of (IV) on reaction with Na metal will liberate 22.4 litres of H2 gas at STP

(2) (I) will give brisk effervescence on addition of NaHCO3 but will not bring any change in the colour of Br2 water

(3) (III) Iiberates H2 gas with Na metal, gives white precipitate with Tollen's reagent but does not respond towards lucas reagent or 2, 4–DNP test.

(4) (IV) gives turbidity with anhydrous ZnCI2

Subtopic:  Qualitative Analysis of Organic Compounds |
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Which of the following carbocation will undergo rearrangement ?

1.  

2.

3. CH3-C  |
CH3H-C=O

4. CH3-NH-CH-C|
CH2H-CH3

Subtopic:  Reaction Intermediates ; Preparation & Properties |
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The colour of the solution that gets formed by mixing sodium nitroprusside to an alkaline solution of sulfide ions, is-

1. Red 2. Blue
3. Brown 4. Purple

Subtopic:  Quantitative Analysis of Organic Compounds |
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In Kjeldahl's method, the nitrogen present is estimated as-

1. N2 

2. NH3

3. NO2 

4 None of the above

Subtopic:  Quantitative Analysis of Organic Compounds |
 64%
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The Prussian blue colour obtained during the test of nitrogen by Lassaigne's test is due to the formation of-

1. Fe4[Fe(CN)6]3 2. Na3[Fe(CN)6]
3. Fe(CN)3  4. Na4[Fe(CN)5NOS]
Subtopic:  Qualitative Analysis of Organic Compounds |
 73%
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A compound that does not give a positive test in Lassaigne’s test for nitrogen is:

1. Urea

2. Hydrazine

3. Azobenzene

4. Phenylhydrazine

Subtopic:  Qualitative Analysis of Organic Compounds |
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The IUPAC name of the compound is:

1. 2-Methyl-6-oxohex-3-enamide

2. 6-Keto-2-methyl hexanamide

3. 2-Carbamoylhexanal

4. 2-Carbamoylex-3-enal

Subtopic:  Nomenclature |
 66%
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The correct IUPAC name of the given compound is:



1. Methyl 2-ethylbutanoate

2. 1-Methoxy-2-ethylbutanone

3. 3-Methoxycarbonylpentane

4. 1-methoxy-2-ethylbutanal

Subtopic:  Nomenclature |
 62%
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The IUPAC name of CH3-CH=CH-COOH is-

1. But-1-en-4-oic acid

2. 1-Hydroxybut-2-en-1-one

3. But-2-en-1-oic acid

4. But-2-en-4-oic acid

Subtopic:  Nomenclature |
 92%
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The IUPAC name of the below given compound is: 
 

1. Ethyl 2-methylprop-2-enoate

2. Ethyl 2-methylprop-1-enoate

3. 1-Ethoxy 2-methylprop-2-enoate

4. 1-Ethoxy 2-methylprop-2-enal

Subtopic:  Nomenclature |
 56%
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