Ethylidine dichloride (CH3CHCl2) can be prepared by the addition of hydrogen chloride on:
(1) C2H6
(2) C2H4
(3) C2H2
(4) all of these
The reactivity order of alkyl halides depends upon:
1. Nature of alkyl group only
2. Nature of halogen atom only
3. Nature of both alkyl group and a halogen atom
4. None of the above
An alkyl iodide on standing darkens, due to:
1. hydrolysis
2. conversion into ether
3. liberation of iodine
4. formation of alkanes
The given reaction is an example of,
C2H5Br + aqu. KCN → C2H5CN + KBr
1. Elimination
2. Nucleophilic substitution
3. Electrophilic substitution
4. Redox change
In the following sequences of reactions;
the product (C) is:
(1) propene
(2) propyne
(3) propan-1-ol
(4) propan-2-ol
Chloroform on reduction with Zn and HCl (alc.) gives:-
1. formic acid
2. chloretone
3. chloropicrin
4. methylene dichloride
Westrosol is:-
(1) acetylene tetrachloride
(2) acetylene dichloride
(3) trichloroehyne
(4) 1,1,2-trichloroethene
Reagent not used to prepare an alkyl halide from an alcohol is:
(1) HCl+ ZnCl2
(2) NaCl
(3) PCl5
(4) SOCl2
Most readily hydrolysed halide is:-
(1) C6H5Cl
(2) (C6H5)2CHCl
(3) C6H5CH2Cl
(4) (C6H5)3CCl
CCl4 is insoluble in water because:-
(1) water is non-polar
(2) CCl4 is non-polar
(3) water and CCl4 are polar
(4) none of the above