Organic reactions provide the ----------that drives our muscles and our thought processes.

1. Energy
2. Vigor
3. Drive
4. All of these
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Answer: D
Explanation:
• The growth of living things from microbes to elephants rests on organic reactions
28 4 Complains

C-O bond length is minimum in

1. CO2
2. CO32-
3. HCOO–
4. CO
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Answer: D
Explanation:
• As the number of bond increases the bond length decrease in CO there is triple bond
12 0 Complains

 Molecules are held together in a crystal by

1. Hydrogen bond
2. electrostatic attraction
3. Van der Waal’s attraction
4. dipole-dipole attraction
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Answer: C
Explanation:
• Usually molecules are held together by Van der Wall's forces
8 0 Complains

Organic chemistry is the chemistry of compounds that contain the element

1. Carbon
2. Oxygen
3. Nitrogen
4. None of these
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Answer: A
Explanation:
• Organic Compounds contain carbon as essential element.
2 0 Complains

Some 14.5 billion years ago the big bang formed

1. Hydrogen
2. Helium
3. Xenon
4. Both A and B
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Answer: D
Explanation:
• N/A
4 0 Complains

Further nuclear reactions in stars transmuted hydrogen and helium elements into heavier ones, including

1. carbon, oxygen
2. phosphorus, sulfur
3. Nitrogen
4. All of these
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Answer: D
Explanation:
• N/A
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The science of organic chemistry began to flower with the demise of a nineteenth century theory called .

1. vitalism
2. formalism
3. Actualism
4. None of these
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Answer: A
Explanation:
• N/A
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Friedrich Wohler, however, discovered in 1828 that an organic compound called

1. Urea
2. Ammonia
3. Uric acid
4. All of these
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Answer: A
Explanation:
• N/A
2 0 Complains