When CH3CH2CHCl2 is treated with NaNH2, the product formed is:
1. CH3-CH=CH2
2. CH3-CCH
3. CH3CH2CH
4. CH3CH2C
R-CH2-CCl2-R R-CC-R. The reagent is
1. Na
2. HCl in H2O
3. KOH in C2H5OH
4. Zn in alcohol
Ethyl chloride is converted into diethyl ether by -
1. Wurtz reaction
2. Grignard reaction
3. Perkin's reaction
4. Williamson's synthesis
The alkyl halide is converted into an alcohol by
1. | Addition | 2. | Substitution |
3. | Dehydrohalogenation | 4. | Elimination |
What is produced when Br2 is added to cis-but-2-ene?
1. Racemic mixture of 2,3-Dibromobutane
2. Meso form of 2,3-Dibromobutane
3. Dextro form of 2,3-Dibromobutane
4. Laevo form of 2,3-Dibromobutane
When ethane and bromine are allowed to interact in sunlight, how many distinct substitution products are possible?
1. | 9 | 2. | 6 |
3. | 8 | 4. | 5 |
In reactions, the correct order of reactivity for the following compounds : , , and is :
1. >>>
2. >>>
3. >>>
4. >>>
Action of RMgX with vinyl chloride gives:
1. alkane
2. alkyne
3. alkene
4. all of these
X Benzotrichloride Y
X and Y respectievely are:
1. benzene, benzaldehyde
2. toluene, benzaldehyde
3. toluene, benzoic acid
4. benzene, benzoic acid
Benzene on reaction with a mixture of HNO3 and H2SO4 followed by reaction of Cl2/FeCl3 gives:
1. 3-chloro -1 -nitrobenzene
2. 2-chloro -1 -nitrobenzene
3. 4-chloro -1 -nitrobenzene
4. a mixture of 2-chloro and 4-chloro -1 -nitrobenzene
Which is gem dihalide?
1.
2.
3.
4. None of the above
Hydrogenation of benzoyl chloride in the presence of Pd on gives:
1. benzyl alcohol
2. benzaldehyde
3. benzoic acid
4. phenol
Friedel-Craft's reaction of bromobenzene with methyl iodide gives:
1. o-bromotoluene
2. p-bromotoluene
3. o-and p-bromotoluenes
4. m-bromotoluene
When vinyl chloride is passed through alcoholic KOH solution:
1. it dissolves
2. it forms vinyl alcohol
3. it forms acetylene
4. it has no action
The reaction, RCl +NaI + NaCl is known as:
1. Wurtz reaction
2. Fittig reaction
3. Frankland's reaction
4. Finkelstein's reaction
When (CH3)3CMgCl reacts with D2O, it produces:
1. | (CH3)3CD | 2. | (CH3)3OD |
3. | (CD3)3CD | 4. | (CD3)3OD |
Benzoyl Chloride is prepared from benzoic acid by:
1. Cl2, hv
2. SO2Cl2
3. SOCl2
4. Cl2, H2O
In the following sequences of reactions;
(A)(B) (C)
the product (C) is:
1. propene
2. propyne
3. propan-1-ol
4. propan-2-ol
Iodoform can be prepared from all except :
1. Isopropyl alcohol
2. 3-methyl-2-butanone
3. isobutyl alcohol
4. ethyl methyl ketone
Identify (Z) in the following reaction reaction series,
C2H5I (X) (Y) (Z):
1. CH3-CH2-CN
2.
3.
4.
The reaction of toluene with in presence of gives predominantly :
1. m- chlorobenzene
2. benzoylchloride
3. benzyl chloride
4. O- and p-chlorotoluene
Arrange the following alkyl halides in the decreasing order of reactivity
(I)
(II)
(III)
1. I>II>III 2. II>I>III
3. II>III>I 4. III>II>I
Arrange the following compouds in the order of leaving group ability
1. I > II > III > IV
2. IV > III > I > II
3. III > II > I > IV
4. II > III > IV > I
Which of the following alkyl halide undergo rearrangement in SN1 reaction?
1.
2.
3.
4. All of these
The product X in the below mentioned reaction is:
1. | 2. | ||
3. | 4. |
AnisoleProduct
1.
2.
3.
4.
HCCNa + Cl-CH2-CH2-CH2-I (A); Major product (A) is:
1. H-CC-CH2-CH2-CH2-I
2. CH2 = CH-CH2-I
3. H-C C-CH2-CH2-CH2-Cl
4. CH2 = CH-CH2-Cl
Major product (A) is:
1.
2.
3.
4.
Product (A) is:
1.
2.
3.
4.
Which is the major product of the following reaction?
1.
2.
3.
4.
1-2-dichloro ethane + NaSCH2CH2SNa P (C4H8S2)
Unknown product (p) of the above reaction is:
1.
2.
3.
4.
Which alkyl halide has maximum density?
1. C3H7I
2. C2H5I
3. CH3I
4. CH3Br
Grignard reagent shows addition on:
1. >C=O
2. -CN
3. >C=S
4. all of these
Pick up the correct statement about alkyl halides:-
1. They show H-bonding.
2. They are soluble in water.
3. They are soluble in organic solvents.
4. They do not contain any polar bond.
Sodium ethoxide reacts with ethyl iodide to yield:
1. CH3CH3
2. C2H5OCH3
3. C2H5OC2H5
4. none of these
Which set of reagents will produce freon (CCl2F2)?
1. C + F2 + Cl2
2. CH3Cl + F2
3. CCl4 + HF
4. CCl4 + F2
An alkyl iodide on standing darkens, due to:
1. hydrolysis
2. conversion into ether
3. liberation of iodine
4. formation of alkanes
In the following sequences of reactions;
CH3CH2CH2I →KOH(alc.)(A)→Br2(B)→NaNH2/NH3(C) the end product (C) is:
1. alkene
2. alkanol
3. alkyne
4. alkyl amine
PCl5 reacts with propanone, to give:
1. gem dichloride
2. vic dichloride
3. propanal
4. propane chloride
Identify (Z) in the following reaction series,
C2H5I (x) (Y) (Z):
1. CH3-CH2-CN
2.
3.
4.
Identity ‘Z’ in the following reaction series,
CH3CH2CH2Br (X) (Y) (z)
1. Mixture of
2.
3.
4.
A compound A of formula C3H6Cl2 on reaction with alkali can give B of formula C3H6O or C of formula C3H4. B on oxidation gave a compound of the formula C3H6O2. C with dilute H2SO4 containing Hg2+ ion gave D of formula C3H6O, which with bromine and NaOH gave the sodium salt of C2H4O2. Then A is:
1. CH3CH2CHCl2
2. CH3CCl2CH3
3. CH3CHClCH2Cl
4. CH2ClCH2CH2Cl
Which chloro derivative of benzene among the following would undergo hydrolysis most readily with aqueous NaOH to furnish the corresponding hydroxy derivative?
1.
2.
3.
4.
Which one is the most reactive toward SN1 reaction?
1. C6H5CH(C6H5)Br
2. C6H5CH(CH3)Br
3. C6H5C(CH3)(C6H5)Br
4. C6H5CH2Br