- Remaining Timing :-
(1). Which is an alternate name for methyl-n-propylmethane?
- (a). iso-hexane
- (b). butane
- (c). n-octane
- (d). pentane
- (e). None of these
Answer : pentane
Explanation:
(2). For the separation of two immiscible liquids which method is used?
- (a). chromatography
- (b). fractionating column
- (c). fractional distillation
- (d). separating funnel
- (e). None of these
Answer : separating funnel
Explanation:
(3). Which of the following compounds will exhibit cis-trans (geometrical ) isomerism?
- (a). butanol
- (b). 2-butyne
- (c). 2-butenol
- (d). 2-butene
- (e). None of these
Answer : 2-butene
Explanation:
(4). Which of the following compounds exhibits geometrical isomerism?
- (a). 1
- (b). 2
- (c). 3
- (d). 4
- (e). None of these
Answer : 2
Explanation:
(5). Tautomerism is exhibited by
- (a). 1
- (b). 2
- (c). 3
- (d). 4
- (e). None of these
Answer : 4
Explanation:
(6). 
- (a). 1
- (b). 2
- (c). 3
- (d). 4
- (e). None of these
Answer : 1
Explanation:
(7). The correct IUPAC name for the compound
- (a). 4-ethyl-3-propylhex-1-ene
- (b). 3-ethyl-4-ethenylheptane
- (c). 3-ethyl-4-propylhex-5-ene
- (d). 3-(1-ethylpropyl)hex-1-enej
- (e). None of these
Answer : 4-ethyl-3-propylhex-1-ene
Explanation:
(8). Which nomenclature is not according to IUPAC system?
- (a). 1
- (b). 2
- (c). 3
- (d). 4
- (e). None of these
Answer : 1
Explanation:
(9). Structure of the compound whose IUPAC name is 3-ethyl-2-hydroxt-4-methylhex-3-en-5-ynoic acid is
- (a). 1
- (b). 2
- (c). 3
- (d). 4
- (e). None of these
Answer : 4
Explanation:
(10). The enolic form of ethyl acetoacetate as shown below has
- (a). 9 sigma bonds and 2 pi-bonds
- (b). 9 sigma bonds and 1 pi-bond
- (c). 18 sigma bonds and 2 pi-bonds
- (d). 16 sigma bonds and 1 pi-bond
- (e). None of these
Answer : 18 sigma bonds and 2 pi-bonds
Explanation:
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