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Alkyl Halides - 1
1.
Halogen derivatives alkenes are called ______________.
a) Sodium lead alloy
b) Electrophilic
c) Haloalkanes
d) Substrate
2.
Alkyl halides are divided into ______________, _________________ & ________ R-X.
a) First order, concentration of R-X
b) Bond energy, bond polarity
c) Primary, Secondary & Tertiary
d) Alkanes, Alkenes
3.
In tertiary R-X halogen atom is attached to carbon which is further attached with __________ carbon atoms directly.
a) Three
b) Four
c) Five
d) Two
4.
R-X can be prepared by the halogenation of _____________ and by the addition of halogen acid to ___________.
a) First order, concentration of R-X
b) Sodium lead alloy
c) Mg-metals, R-X, dry ether
d) Alkanes, Alkenes
5.
Phosphorus trihalides or phosphorous pentahalides react with alcohol to replaced _________ group by a halogen group.
a) SN1
b) SP3 to SP2
c) -OH
d) E18E2
6.
An excellent method for the preparation of simple alkyle liodide is the treatment of alkyl chloride or alkyl bromide with ______________.
a) Two
b) Neutral
c) E18E2
d) NaI
7.
Reactivity of alkyl halide is determined by ______________ & _____________.
a) Bond energy, bond polarity
b) Strength
c) Haloalkanes
d) First order, concentration of R-X
8.
_______________ of carbon halogen bond is the main factor which decides the reactivity of alkyl halides.
a) Sodium lead alloy
b) Stronger
c) Strength
d) Substrate
9.
A nucleophile may be negatively charged or _______________.
a) SN1
b) Sodium lead alloy
c) NaI
d) Neutral
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