NBS Products formed are

(A)                 (B) 

(C)                        (D) 

1. (A) and (B) only                        2. (A) and (C) only 

3. (B) and (C) only                        4. (A), (B), (C) and (D)  

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 51%

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When propane is reacted with conc. HNO3 at 400-500°C the number of nitro alkanes obtained are 

1. 1                              2. 2

3. 3                              4. 4  

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |

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Which reagent distinguish propyne and propene?

1. Alkaline KMnO4

2. Cu2Cl2 + NH4Cl

3. Br2 water

4. Cu2Cl2 + NH4OH

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |

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The intermediate during the addition of HCl to propene in the presence of peroxide is

1. CH3C*HCH2Cl                     

2. CH3C+HCH3

3. CH3CH2CH2*                       

4. CH3CH2CH2+

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 59%
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CH3ClNaGas A

CH2COONa-CH2COONaElectrolysisKolbe'sGas B

Mg2C3H2OGas C

Gas (A+B+C) Cu2Cl2Ammoniacal

gas mixture Alk. KMnO4Cold dil Gas X

Gas X is same is

1. Gas A + Gas B                      2. Only Gas B

3. Gas B + Gas C                      4. Only Gas A

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
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The product (A) in the following reaction is:

1. 3-Keto butanol

2. Butane-1,4-dial

3. 3-Oxo-butan-1-al

4. 2-Keto-butane-1,4-dial

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 66%
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1eq.NBS XPhO-Y (major product)

The product Y is

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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The product (s) obtained via oxymercuration-dermercuration of butyne would be

1.                                2. 

3. +CH2O                    4.+ HCOOH

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 63%
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2-bromopentane is heated with potassium ethoxide in ethanol. The major product obtained is- 

1. 2-Ethoxypentane               

2. Pent-1-ene

3. trans-pent-2-ene               

4. cis-Pent-2-ene

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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Which of these will not react with acetylene?

1. NaOH                                       

2. Amm. AgNO3

3. Na                                           

4. HCl

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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