MCQs on Polarisation and Fajans Rule

NEET  Chemistry is the scoring paper in the medical entrance examination. Here, you will discover the NEET Chemistry MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Chemistry objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Chemistry Polarisation and Fajans Rule Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Polarisation and Fajans Rule

1. The molecule, which contains sp3d2 and p orbitals overlapping in it is
(a) PCl5
(b) BrF5
(c) ClF3
(d) IF7

Answer

Answer: (b)


2. Homolytic fission of C-C bond of ethane (C2H6) which gives an intermediate in which carbon atom is
(a) sp3 hybridised
(b) sp2 hybridised
(c) sp hybridised
(d) sp3d hybridised

Answer

Answer: (b)


3. Which of the following compounds has the electron pair geometry as trigonal bipyramidal with three equatorial positions occupied by lone pairs of electrons?
(a) AlCl3
(b) XeF2
(c) Pt(NH3)2Cl
(d) CH3MgBr

Answer

Answer: (b)


4. Select correct statement
(a) Cations with 18 electron shells have greater polarising power than the cations with 8-electron shells.
(b) Inner shell electrons have a poor shielding effect on the nucleus and thus electronegativity of the 18 electron shell is increased.
(c) CuCl is covalent and NaCl is ionic
(d) All are correct statements

Answer

Answer: (d)


5. In BrF3 molecule the lone pairs occupy an equatorial position to minimise
(a) lone pair-bond pair repulsion only
(b) bond pair-bond pair repulsion only
(c) lone pair-lone pair repulsion and lone pair-bond pair repulsion
(d) lone pair-lone pair repulsion only

Answer

Answer: (d)


6. The hybridisation of phosphorous in POCl3 is the same as in
(a) P in PCl3
(b) S in SF4
(c) Cl in ClF3
(d) B in BCl3

Answer

Answer: (a)


7. If the bond length and dipole moment of diatomic molecules are 1.25Ao and 1.0D respectively, what is the percent ionic character of the bond?
(a) 10.66
(b) 12.35
(c) 16.66
(d) 19.33

Answer

Answer: (c)


8. The molecule MLx is planar with six pairs of electrons around M in the valence shell. The value of x is
(a) 6
(b) 2
(c) 4
(d) 3

Answer

Answer: (c)


9. Total number of electron pairs in PCl5, PCl4+ and PCl6 are respectively
(a) 20, 16, 24
(b) 24, 16, 20
(c) 16, 20, 24
(d) 24, 20, 16

Answer

Answer: (a)


10. If the water molecule is linear
(a) it would have a very high boiling point
(b) it would be highly reactive
(c) its dipole moment would be zero
(d) it would be highly ionic

Answer

Answer: (c)


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