Among the options given below, identify the Isoelectronic species:
1. CO, CN–, NO+, C22–
2. CO–, CN, NO, C2–
3. CO+, CN+, NO–, C2
4. CO, CN, NO, C2
The correct order in which the O-O bond length increases in the following is:
1.
2.
3.
4.
Which of the following molecules has trigonal planar geometry:
1. | NH3 | 2. | BF3 |
3. | PCl3 | 4. | IF3 |
Which of the following would have a permanent dipole moment?
1. BF3
2. SF4
3. SiF4
4. XeF4
The correct sequence of increasing covalent character is represented by:
1.
2.
3.
4.
Which of the following is the electron deficient molecule:
1. C2H6
2. SiH4
3. PH3
4. B2H6
A species that does not exhibit paramagnetism is:
1. N2+
2. O2–
3. CO
4. NO
In , formal charge on every oxygen atom and P-O bond order respectively are:
1. -0.75 and 1.25
2. -0.5 and 2
3. 1 and 1.5
4. -0.75 and 2
Among the following, the pair in which the two species are not isostructural is:
1.
2.
3.
4.