Organic Chemistry 1 & 2

20 Questions | By Olanrewajuadamso | Updated: Mar 18, 2022 | Attempts: 192

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1.

The bond angle that is formed in SP² hybridation among the three hybrid orbital is what?
- A.
  
  180⁰
- B.
  
  120⁰
- C.
  
  109⁰
- D.
  
  95⁰
2.

In optical isomerism,for compound to be optically active,it must have a carbon atom which is substituted with how many different groups?
- A.
  
  4
- B.
  
  5
- C.
  
  6
- D.
  
  7
3.

In the lab preparation of methane,soda-lime is used in preference to be caustic soda because?
- A.
  
  Soda-lime is a deliquescent
- B.
  
  Caustic soda can cause explosion with sodium ethanoate in the reaction
- C.
  
  Soda-lime does not have strong affinity for water
- D.
  
  Caustic soda is efflorescent
4.

Hexane has how many isomers?
- A.
  
  3
- B.
  
  5
- C.
  
  7
- D.
  
  10
5.

The enzyme used in the conversion of sucrose to glucose and fructose is
- A.
  
  Diastase
- B.
  
  Maltase
- C.
  
  Zymase
- D.
  
  Invertase
6.

The name of the compound C(CH₃)₄is
- A.
  
  Butane
- B.
  
  Teteramethyl butane
- C.
  
  Methyl propane
- D.
  
  2-methyl propane
7.

Functional groups in Organic compounds
- A.
  
  Determine the chemical properties of the homologous
- B.
  
  Does not modify the other when they are more than one in a molecule.
- C.
  
  Have a general formula which may include the functional group.
- D.
  
  Are responsible for physical properties
8.

Two or compounds obtained from C₂H₆O by making adjustments in their molecule is
- A.
  
  Allotropy
- B.
  
  Tantamerism
- C.
  
  Mirror isomerism
- D.
  
  Structural isomerism
9.

The name of the compound below is
- A.
  
  1-chloropropan-3-ol
- B.
  
  3-chloropropan-1-ol
- C.
  
  1-chloropanol
- D.
  
  3-chloropropanol
10.

Exceptional large number of carbon compounds is essentially due to the ability of
- A.
  
  Carbon to catenate liberally.
- B.
  
  Various groups to catenate
- C.
  
  Nitrogen,hydrogen,phosphorus and the halogens to catenate with themselves
- D.
  
  Hydrocarbons to dominate other groups.
11.

The reducing agent used to reduced ethyl ethanoate to ethanol is
- A.
  
  Lithium tetraoxomanganate(III) solution
- B.
  
  Fehling's solution
- C.
  
  Postassium tetraoxomanganate (VII) solution
- D.
  
  Lithium tetrahydridoaluminate(III) solution
12.

Softer toilet soaps are composed of the
- A.
  
  Postassium salts of unsaturated acids
- B.
  
  Sodium salts of saturated acids
- C.
  
  Postassium salts of saturated acids
- D.
  
  Sodium salts of unsaturated acids
13.

In soap molecule,hydrophobic is
- A.
  
  Soluble in water
- B.
  
  An ionic head
- C.
  
  Soluble in oil
- D.
  
  A long hydrocarbon chain
14.

Bromination of alkanes is a much slower reaction than chlorination. Which of the following is expected to be the major organic product when 2-methylbutane is allowed to react with Br₂ in the presence of light or heat?
- A.
  
  A.
- B.
  
  B.
- C.
  
  C.
- D.
  
  D.
15.

The polymer used for making car rear light and wind shields is
- A.
  
  Perspex
- B.
  
  Propenonitrile
- C.
  
  Poly(chloroethene)
- D.
  
  Poly(ethene)
16.

The monomer of nylon is
- A.
  
  Benzene-1,4-dicarboxylic acid
- B.
  
  2-methyl buta-1,3-diene
- C.
  
  Hexane-1,6-diamine
- D.
  
  Poly(buta-1,3-diene)
17.

Lactose comprises of
- A.
  
  Glucose + fructose
- B.
  
  Glucose + glucose
- C.
  
  Glucose + galactose
- D.
  
  Starch + cellulose
18.

In the commercial manufacture of simply soaps,NaCl solution is used to
- A.
  
  Increase the solubility of the soap
- B.
  
  yield more propane-1,2,3-triol
- C.
  
  Reduce the impurities when the soap is being used
- D.
  
  Increase the insolubilty of the soap
19.

The reagent that distinguish ethene from ehyne is
- A.
  
  Ammonical solution of copper(II) chloride
- B.
  
  Acidified solution of copper(I)chloride
- C.
  
  Ammonical solution of silver trioxonitrate(V)
- D.
  
  Acidified solution of silver trioxonitrate (V)
20.

The derivate of benezene used for making explosives is
- A.
  
  Toluene
- B.
  
  Phenol
- C.
  
  Aniline
- D.
  
  Furan