The covalency number of carbon at ground state. 4 3 2 1 He continued the modern concept of the atom where the electrons are quantized and are restricted to only allowed energies. Bohr Schrodinger de Broglie Heisenberg
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The covalency number of carbon at ground state.
- 4
- 3
- 2
- 1
He continued the modern concept of the atom where the electrons are quantized and are restricted to only allowed energies.
- Bohr
- Schrodinger
- de Broglie
- Heisenberg
Which of the following is not a characteristic of an organic compound?
- exhibits isomerism
- undergoes combustion readily
- non-conductors of electricity
- reactions are very fast
Hybridization of nitrogen in pyridine.
- sp
- sp2
- sp2 special
- sp3
The covalency number of nitrogen in ammonia.
- 4
- 3
- 2
- 1
Which of the following statements is not true for vital force theory?
- Life force was necessary to produce organic compounds
- Organic compounds can only be produced by and within living things
- Inorganic materials did not contain the "vital force" of life
- None of the above
He obtained the first accurate measurement of an electron’s charge by performing the Oil Drop Experiment.
- Goldstein
- Millikan
- Chadwick
- Rutherford
Which of the following are examples of isobars?
- S-40 & Cl-40
- S-32 & P-31
- Na-37 & K-39
- C-12 & C-14
Which of the following is not a covalent bond?
- C-C
- H-Br
- Na-F
- O=O
Geometry of an sp3 hybridized carbon.
- linear
- diagonal
- trigonal planar
- tetrahedral
Molecular orbital formed involving more than two nuclei.
- polycentric molecular orbital
- hybrid molecular orbital
- pi molecular orbital
- dicentric molecular orbital
Bond angle between two sp hybridized orbitals.
- 60 degrees
- 5 degrees
- 120 degrees
- 180 degrees
The covalency number of oxygen in alcohols
- 4
- 3
- 2
- 1
Which of the following is 1 Ao not equal to?
- 10^-10 m
- 10^-8 cm
- 10^-3 nm
- 10^2 pm
Hybridization of nitrogen in pyrrole
- sp
- sp2
- sp2 special
- sp3
The lowest sublevel on each principal energy level is represented by the symbol.
- s
- p
- d
- f
Which of the following factors does not affect the polarity of a bond?
- electronegativity
- varied nature of adjacent atoms
- pi electron delocalization
- state of hybridization
Arrange the following according to increasing polarity
- A-B-C-D
- D-C-B-A
- C-B-D-A
- A-C-D-B
On a piece of paper, draw 4,5,6-trimethyloct-4-en-1-yne. Then give the number of the C atom from which the C to C bond is the least free to rotate
- C1-C2
- C2-C3
- C4-C5
- C7-C8
On a piece of paper, draw 4,5,6-trimethyloct-4-en-1-yne. Then give the number of the C atom from which the C to C bond is the most polar
- C1-C2
- C2-C3
- C4-C5
- C7-C8
On a piece of paper, draw 4,5,6-trimethyloct-4-en-1-yne. Then give the number of the C atom from which the C to C bond is the strongest.
- C1-C2
- C2-C3
- C4-C5
- C7-C8
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