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Alkyl Halides - 3
1.
Reaction involving SN1 mechanism show __________ kinetics and rates of such reaction depend upon the ___________.
a) Primary, Secondary & Tertiary
b) First order, concentration of R-X
c) Sodium lead alloy
d) Bond energy, bond polarity
2.
Methyl chloride reacts with ______________ to give tetraethyl lead.
a) Electropositive
b) Electrophilic
c) Sodium lead alloy
d) Organo - metallic
3.
Grignard reagents are derivatives of alkyl halides belonging to class of ___________ compounds.
a) Electrophilic
b) Organo - metallic
c) Mg-metals, R-X, dry ether
d) Sodium lead alloy
4.
50% inversion of configuration and 50% retention of configuration occurs in __________ reaction mechanism.
a) E18E2
b) -OH
c) SP3 to SP2
d) SN1
5.
Grignard reagents are prepared by the reaction of ______________ with ________ in the presence of _________.
a) Mg-metals, R-X, dry ether
b) First order, concentration of R-X
c) Sodium lead alloy
d) Organo - metallic
6.
In R-Mg-X magnesium is more __________ than carbon atom.
a) Sodium lead alloy
b) Neutral
c) Electrophilic
d) Electropositive
7.
In R-Mg-X negative charge is an unusual character which makes the alkyl groups highly reactive to wards _____________ centers.
a) Planar
b) Electropositive
c) Opposite
d) Electrophilic
8.
Elimination reactions can be categorized into _______________ & _________________.
a) E18E2
b) SP3 to SP2
c) SN1
d) -OH
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