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Chemistry Class 12 Chapter 10
Alkyl Halides
Test 10
1.
he highest electronegativity is of?
Cl
F
Br
2.
Magnesium is a metal which is?
Less elecronagitve
Less electropositive
More electronegative
More electropositive
3.
Those reaction which involve the removal of H-X are called?
Electrophilic substitution reaction
Beta-elimination reaction
None of these
Nucleophilic Substitution reaction
4.
When alcohol reacts with thyonyl chloride the catalysis used is?
Organo nickel
Pyridine
Platimium
None of these
5.
Elimination of bimolecular reaction involves?
Second order reaction
Zero order reaction
First order reaction
Third order reaction
6.
SN
2
reaction is a?
Bi molecular reaction
Substitution reaction
Addition reaction
Uni molecular reaction
7.
Grignard reagents are the derivatives of?
Ethers
Alcohol
None of these
Alkyl halide
8.
Which of the following reactants will be required to form ethane from ethyl chloride?
Alcoholic KOH
Alkaline KMnO
4
Aqueous NaOH
Aqueous KOH
9.
Electrophile are in nature are?
Not exact
Neutral molecules
Both are possible
Positive ion
10.
Alkyl halide reacts with sodium in ether this is called?
Wurtz fitting reaction
Elimination
Wurtz synthesis
Substitution reaction
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