Year: 2016
Topic: Chemical Bonding and Molecular Structure
Time :
1.
Consider the molecules CH
4
, NH
3
and H
2
O. Which of the given statements is false ?
(1). The H–O–H bond angle in H
2
O is larger than the H–C–H bond angle in CH
4
(2). the The H–O–H bond angle in H
2
O is smaller than H–N–H bond angle in NH
3
(3). The H–C–H bond angle in CH
4
is larger than the H–N–H bond angle in NH
3
(4). The H–C–H bond angle in CH
4
, the H-N-H bond angle in NH
3
and the H-O-H bond angle in H
2
O are all greater than 90°