Which of the following pairs of species have the same bond order?
1.
2.
3.
2. CO, NO
In which of the following molecules, all atoms are coplanar?
1. | 2. | ||
3. | 4. |
The correct order of ionic character among CaH2, BeH2, and BaH2 is:
1.
2.
3.
4.
1. | NO | 2. | CN– |
3. | CN+ | 4. | CN |
Mark the correct order of repulsion among the following according to the VSEPR theory.
1. | lone pair-lone pair > bond pair-bond pair >lone pair-bond pair |
2. | bond pair-bond pair> lone pair-bond pair>lone pair-lone pair |
3. | lone pair-bond pair > bond pair-bond pair >lone pair-lone pair |
4. | lone pair-lone pair> lone pair-bond pair>bond pair-bond pair |
In which orbital is the pair of electrons located in the provided carbanion, CH3C≡C–?
1. sp3
2. sp2
3. sp
4. 2p
1. | The H-O-H bond angle in H2O is larger than the H-C-H bond angle in CH4 |
2. | The H-C-H bond angle in CH4 is larger than the H-N-H bond angle in NH3 |
3. | The H-C-H bond angle in CH4, the H-N-H bond angle in NH3 and the H-0-H bond angle in H2O are all greater than 90o |
4. | The H-O-H bond angle in H2O is smaller than the H-N-H bond angle in NH3 |
Pair of ions among the following that are isoelectronic and isostructural:
1.
2.
3.
4.
The hybridisations of atomic orbitals of nitrogen in NO+, NO-3 and NH3 respectively are:
1.
2.
3.
4.
Which of the following species has a bond angle of \(120^\circ\)?
1. \({SF}_6\)
2. \(NCl_3\)
3. \(BCl_3\)
4. \(PH_3\)