le Choice (2pts each) 1. Which factor is most important in determining the chemi
ID: 704442 • Letter: L
Question
le Choice (2pts each) 1. Which factor is most important in determining the chemistry of an organic molecule? A) the number of carbon-carbon bonds B) the melting point C) the number of carbon-hydrogen bonds D) the number of branches in the carbon chain E) the functional groups 2. Which of the statements about the behavior of the element carbon in organic molecules is incorrect? A) Carbon can be involved in polar covalent bonds. B) Carbon can form single, double, or triple bonds with other carbon atoms. C) When carbon forms four single bonds, the bond angles are 120 D) Carbon can be involved in nonpolar covalent bonds. E) In addition to other carbon atoms, carbon is likely to form bonds with hydrogen, nitrogen, or oxygen. 3. How many hydrogen atoms are present in a straight-chain alkane with five carbon atoms? A) 12 B) 7 c) 10 D) 9 E) 5Explanation / Answer
1) (E) The factional groups
2) (C) when carbon forms four single bond than bond angle is 120 degree is incorrect statement .
# bond angle will be 109.5 degree.
3) (A) 12
no of H in alkane having n no of carbon = 2n+2
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