Multiple Choice
After drawing the Lewis dot structure for CH2O,determine the number of single bond(s) ,double bond(s) ,and lone pair(s) on the central atom.
A) single bond(s) = 1,double bond(s) = 2,lone pair(s) = 0
B) single bond(s) = 2,double bond(s) = 1,lone pair(s) = 1
C) single bond(s) = 3,double bond(s) = 0,lone pair(s) = 1
D) single bond(s) = 3,double bond(s) = 1,lone pair(s) = 0
E) single bond(s) = 2,double bond(s) = 1,lone pair(s) = 0
Correct Answer:

Verified
Correct Answer:
Verified
Q11: Which of the following species is best
Q12: Which of the following must be paramagnetic?<br>A)F<sub>2
Q13: After drawing the Lewis dot structure for
Q14: Given the bond enthalpies C-C (348),C=O (707),O
Q15: Which of the following has a molecular
Q17: Which of the following species exhibits resonance?<br>A)OF<sup>2
Q18: After drawing the Lewis dot structure for
Q19: Given the following bond lengths in pm:<br>C-C,154;C
Q20: Which compound would be expected to have
Q21: In which of the following molecules would