Organic Chemistry Fundamental Principles MCQs Quiz Test 19

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1. Pentane has isomers:

One
Three (Answer)
Four
Two

2. In t-butyl alcohol , the tertiary carbon is bonded to:

Two hydrogen atoms
Three hydrogen atoms
One hydrogen atom
No hydrogen atom (Answer)

3. Isomers are written for a compound, if it has carbon atoms at least:

Two
Three
Four (Answer)
One

4. Geological survey of Pakistan estimates about billion tons of coal in Pakistan:

184 (Answer)
185
182
183

5. Which compound does not show in isomerism?

Hexane
Pentane
Butane
Propane (Answer)

6. Isomers of butane are:

8
2 (Answer)
5
10

7. Organic compounds are:

Compounds of carbon
Compounds of carbon and halogens
Compounds of carbon and nitrogen
Compounds of carbon and their derivatives (Answer)

8. Isomers have same properties:

Physical
Physical & Chemical
Nuclear
Chemical (Answer)

9. A mixture of low boiling of hydrocarbons is:

Petroleum
Natural gas (Answer)
Coke
Coal tar

10. Total coal resources in Pakistan are estimated by the geological survey of Pakistan is (in billion tones):

184 (Answer)
183
181
180

11. Major component of natural gas is:

Propane
Ethene
Ethane
Methane (Answer)

12. Mineral oil is called:

Petroleum (Answer)
Natural gas
Coal
Diesel oil

13. The state of hybridization of carbon atom in methane is:

sp²
sp³ (Answer)
sp
dsp²

14. Wohler prepared compound from ammonium cyanate:

Urea (Answer)
Lipids
Carbohydrates
Protein

15. Type of isomerism in BrCH=CHBr is:

Conformational isomerism
Structural isomerism
Position isomerism
Geometrical isomerism (Answer)