Q.1.
Which of the following compound is not suitable to obtain from wurtz reaction?

Explanation

Q.2.
Which of the following reactants will yield ethane ?
Q.3.
$$H_3C-C\equiv C-CH_3$$ maximum number of linear atoms in given compound is:

Explanation

Q.4.
Which of the following reactions would give isopropyl benzene as the major product?
1058572_dc347afb87f3460685a307e0d7206924.png

Explanation

Q.5.
Arrange the following compounds in increasing order of their reactivity with sodium hydroxide solution: 
  
[o-nitrochlorobenzene, chlorobenzene, benzyl chloride]

Explanation

Q.6.
The least reactive alkene towards dil. $$HCl$$ is :

Explanation

Q.7.
Nitration of which of the following compound is difficult?

Explanation

Q.8.
Alkanes having odd carbons cannot be prepared in?

 A) Wurtz reaction
B) Frankland reaction
C) Kolbe's electrolysis
D) Sabatier-sendersen reaction

Explanation

Q.9.
Arrange the following compounds in the descending order of their boiling points

a) n-pentane

b) isopentane

c) neopentane

Q.10.
In the following sequence of reaction 
$$Toluene\xrightarrow [  ]{ KMn{ O }_{ 4 } } A\xrightarrow [  ]{ { SOCl }_{ 2 } } B\xrightarrow [ BaS{ O }_{ 4 } ]{ { H }_{ 2 }/Pd } C$$
the product $$C$$ is:

Explanation

Q.11.
2-Bromopentane is heated with $$EtO^-Na^+$$ in ethanol. The major product obtained is:

Explanation

Q.12.
The number of $${ sp }^{ 2 }$$ - s sigma bonds in benzene are :
Q.13.
Which of the following will allow free rotation about double bond? 
[arrows indicate the bond to be considered]
Q.14.
Which of the following molecules has a triple bond?

Explanation

Q.15.
The reaction of $$P_4$$ with aqueous NaOH gives

Explanation

Q.16.
$$4.3\ gm$$ of an alkane is burnt in sufficient oxygen. The $${ CO }_{ 2 }$$ formed reacts completely with $$300\ ml, 2N NaOH$$ solution producing $${ Na }_{ 2 }{ CO }_{ 3 }$$. The alkane should be
Q.17.

Correct IUPAC name of the following compound is :
1155532_f099a9469f7d4ba4a57ebf4c6a92ee8a.png
Q.18.
Ethylene is formed by dehydration of:

Explanation

Q.19.
Identify product.
1158499_887709e54fa54ba8bc8092bb8795a644.png
Q.20.
Which of the following is aromatic in nature

Explanation

Q.21.
The number of $$sp^2-s$$ sigma bonds is benzene are:

Explanation

Q.22.
For synthesis of 1 -butene, $$CH_3MgI$$ should be treated with :

Explanation

Q.23.
$$CH_{3}-C\equiv C-CH_{3}\xrightarrow[Pd+BaSO_{4}]{H_{2}}P\overset{KMnO_{4}/H^{+}}{\rightarrow}Q.$$. here the product Q is 

Explanation

Q.24.
Double bond equivalent (degree of unsaturation) of $$(A) $$ is:
1168280_bf329c1d68424c5b9e81c13a6a31c885.png

Explanation

Q.25.
$${ CH }_{ 2 }-CH={ CH }_{ 2 }\xrightarrow { { zn,CH }_{ 3 }OH } product\\ |\quad \quad \quad \quad \quad \quad  |\\ Br\quad \quad \quad \quad \quad  Br$$
The remaining product is ?
Q.26.

Which are the correct IUPAC name of the following compound ?


1164799_63e370f9fdb0476f954f1d9ce7ea0aef.PNG
Q.27.
The number of possible alkynes with molecular formula $$C_{5}H_{8}$$ is

Explanation

Q.28.
1, 1 -dibromoethane when heated with zine dust produces_____.
Q.29.
If two moles of isopropyl chloride reacts with $$Na$$ in presence of dry ether. Which alkane is formed?

Explanation

Q.30.
IUPAC name of the given compound is:
1189474_3334da35d0c44e28adef1d95c8e50a21.png
Q.31.
The correct IUPAC name of the following alkane is
$$H_3C-CH_2-CH_2-CH_2-CH_2-CH_2-CH_2-CH_3$$
Q.32.
What is the Possible number of alkadienes with molecular formula $$C_5H_8$$? (Excluding stereoisomers)

Explanation

Q.33.
Ethanol reacts with $$CH_3Mgl$$ gives
Q.34.
Reaction of $$trans-2-phenyl -1-bromocyclopentane$$ on reaction with alcoholic $$KOH$$ produces (major):

Explanation

Q.35.
An alkane containing atleast_____ carbon atoms is converted into an aromatic hydrocarbon, when heated in presence of $$Cr_{2}O_{3}$$ on $$Al_{2}O_{3}$$
Q.36.
The major product (A) is
1255530_8f30b9ced2f446b9b975df68c6f0975a.png
Q.37.

The given pair is an example of:

1262493_b81db6f349ef44aca9f662be035e59c0.png
Q.38.
Electrolysis of aq. solution of sodium salt of saturated dicarboxylic acids, give

Explanation

Q.39.
In the reaction
$$H-C\equiv CH\dfrac { { NaNH }_{ 2 }/liq.{ NH }_{ 3 } }{ { CH }_{ 3 }{ CH }_{ 2 }Br } X\dfrac { { NaNH }_{ 2 }/liq.{ NH }_{ 3 } }{ { CH }_{ 3 }{ CH }_{ 2 }Br } Y$$ $$X$$ and $$Y$$ are 
Q.40.
The IUPAC name of $$(CH_3)_3C-CH=CH_2$$ is?
Q.41.
How many optical isomers are possible on monochlorination of $$2-$$methyl butane 
Q.42.
How many cyclic and alkene isomers of $$C_4H_8$$ are possible? ( Excluding stereoisomers) 
Q.43.
From which one of the following both ethylene and acetylene could be prepared in a single step?

Explanation

Q.44.
Identify major product $${{\text{P}}_{\text{3}}}$$:
1304095_5f1e1bb4039a4c85b8231f45b659a45c.JPG
Q.45.
By which of the following reagent butanoic acid is converted into butane 
Q.46.
An alkene of molecular formula $$C_{9}H_{18}$$ on ozonolysis gives 2,2-dimethylpropanal and butan-2-one, then the alkene is

Explanation

Q.47.
The correct order for acid strength of compounds $$CH\equiv CH, CH_{3}-C \equiv CH$$ and $$CH_{2} = CH_{2}$$ is as follows:

Explanation

Q.48.
$$n$$ propyl alcohol on reacting with anhydrous alumina at $$623\,K$$ forms 
Q.49.
$${ CH }_{ 3 }{ CH }_{ 2 }{ CH }_{ 3 }\xrightarrow [  ]{ 400-{ 600 }^{ o }C } X+Y$$ $$X$$ and $$Y$$ are 
Q.50.

Which of the following does not give alkane with $$R-Mg-X.$$