1 - When one hydrogen atom of alkane is removed then it is called
alkyl
2 - Alkanes are also known as
paraffins
3 - Sabatier Senderns reaction involve _________ in presence of Ni
Aalkene & H2
4 - Hydrogenolysis results in the formation of
alkane
5 - Clemmensens reduction infolves the reduction of
ketone
6 - Removal of CO2 is called
decarboxylation
7 - Soda lime is a mixture of
CaO and NaOH
8 - Molozonide is unstable and changes into ozonide on
rearrangement
9 - Dehalogenation of ethyl tetrahalide will give
ethyne
10 - R-Mg-Br is called
Both a & b
11 - Upto ______ C atoms alkanes are gases
4
12 - Which of the following is the most reactive
ethene
13 - Incomplete oxidation of methane in the limited supply of air forms.
CH3OH
14 - Introduction of nitro group in a molecule is called
nitration
15 - Order of ease of halogenation in alkane is
F2>Cl2>Br2>I2
16 - The gas used in manufacturing of urea fertilizer
CH4
17 - General formula of alkyne is
CnH2n - 2
18 - Which of the following will be acidic
all of the above
19 - Removal of halogen and hydrogen atom is
dehydrohalogenation
20 - Alkenes are produced from dehalogenation of
vicinal dihalo alkane
21 - Reactivity due to pi-electrons is present in
both b & c
22 - Raney nickel is prepared from __________ by treating with caustic soda
Ni-Al alloy
23 - Which one is Chloroform
CHCl3
24 - Vinylacetylene combines with HCI to form
chloroprene
25 - Which is used for artificial ripening of fruit?
ethene
26 - Preparation of vegetable ghee involves
hydrogenation
27 - Which is methyl cyanide
CH3CN
28 - The molecular formula of toluene is
C7H8
29 - Phenanthrene is a fused polycyclic compound contains ______ benzene rings
Three
30 - Aniline is a derivative of benzene which contains
Amino group
31 - Nitration of chlorobenzene gives
a & b
32 - When benzene is substituted by halogens only which one of the following halogens only which one of the following halogens is given the number one position in the ring while writing the name of compound?
Iodine
33 - Michael Faraday discovered benzene in the gas which was produced by destructive distillation of vegetable oil that is done in
The absence of Oxygen
34 - By which method the molecular mass of benzene was determined as 78.108?
Vapour density method
35 - How many moles of H2 are added up when benzene is heated with hydrogen in the presence of platinum?
Three
36 - Chlorination of toluene in the presence of sublight produces
Benzyl chloride
37 - The resonance energy of benzene is
150.5 kJ/mol
38 - Which one of the following methods will not give benzene?
Chlorobenzene with NaOH at 360Degree Centigrade & 150atm.
39 - Which is fused cyclic aromatic compound
naphthalene
40 - Acetophenone is a
Ketone
41 - Reacting bromine with benzene in the presence of sunlight will result in
Addition reaction
42 - Benzene does not undergo
Polymerization reactions
43 - During sulphonation of benzene H2SO4 generates the electrophile
SO3
44 - Nitronium ion is
NO2+
45 - Which compound will readily undergo sulphonation?
Toluene
46 - Benzene is heated in air with V2O5 at 450Degree Centigrade it undergoes
Oxidation reaction
47 - The preparation of benzene from acetylene can also be said as
Polymerization
48 - Replacement of hydrogen of benzene by alkyl group in the presence of alkyl halide & aluminum chloride is known as
Friedel & Craft alkylation
49 - Which compound form benzoic acid on oxidation with acidified KMnO4 or K2Cr2O7
All
50 - Ozonolysis of benzene produces
Glyoxal
51 - What is the molecular formula of Benzenetriozonide?
C6H6O9
52 - The hydrolysis of Benzenetrizonide will yield three moles of
Glyoxal
53 - Ethyl chloride with nascent hydrogen produces
ethane
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