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Chemistry Class 12 Chapter 8
Aliphatic Hydrocarbons
Test 8
1.
Valencies in pareffins alkanes are?
Partially satisfies
No general rule for it
Completely satisfied
Not satisfied
2.
Zn is used as a good?
Metal
Reducing agent
Hydrating agent
Oxidizing agent
3.
Malozonide changes into?
CO+H
2
o
Ozonide
CO
2
+ H
2
o
Epoxide
4.
R-Mg-Br is known as?
Grignard reagent
Pinacol reagent
Tollen’s reagent
Wurtz reaction
5.
Removal of CO2 is called?
Decarboxylation
Hydroxylation
Carboxylation
Esterification
6.
Alkanes are also known as?
Saturated hydrocarbons
Both a & b
Unsaturated hydrocarbons
Paraffins
7.
Sabatier’s sendren’s reaction in presence of Ni involves?
Alkene and N
2
Alkene and H
2
Alkene and O
2
Alkyne and Cl
2
8.
Soda lime is prepared by mixing?
CaO and NaOH
CaO and NaO
CaO and KOH
NaOH and KOH
9.
Hydrogenolysis finally results in?
Alkene
Acetylene
Alkane
Alkyne
10.
When one hydrogen of alkane is removed then it converts into?
Aldehyde
Saturated hydrocarbons
Alkyl
Alkene
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