MCQ on Polarisation and Fajans Rule: Chemistry is considered to be the most scoring subject in NEET JEE Exam. As it is one of the easiest scoring subjects, it is often ignored and undermined a subject. But if you want to get an edge over others, here is a tip, master NEET/JEE Chemistry concepts. Chemistry demands the attention of students in understanding reactions and concrete basic understanding but once done it only gets easier from there. Mastering NCERT syllabus for NEET/JEE Chemistry should be topping your list of to-do for chemistry.

In this post we are providing you MCQ on Polarisation and Fajans Rule, which will be beneficial for you in upcoming NEET, JEE, Medical and Engineering Exams.

MCQ on Polarisation and Fajans Rule

Q1. If the water molecule is linear _______.
a) it would be highly ionic
b) it would be highly reactive
c) its dipole moment would be zero
d) it would have a very high boiling point

Q2. Total number of electron pairs in PCl₅, PCl₄⁺ and PCl₆^– are _______ respectively.
a) 16, 20, 24
b) 20, 16, 24
c) 24, 16, 20
d) 24, 20, 16

Q3. 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

Q4. 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

Q5. If the bond length and dipole moment of diatomic molecules are 1.25A^o 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

Q6. In BrF₃ molecule the lone pairs occupy an equatorial position to minimise _______.
a) lone pair-bond pair repulsion only
b) lone pair-lone pair repulsion only
c) bond pair-bond pair repulsion only
d) lone pair-lone pair repulsion and lone pair-bond pair repulsion

Q7. The molecule ML_x is planar with six pairs of electrons around M in the valence shell. The value of x is _______.
a) 2
b) 4
c) 6
d) 8

Q8. The molecule, which contains sp³d² and p orbitals overlapping in it is _______.
a) BrF₅
b) ClF₃
c) IF₇
d) PCl₅

Q9. Select correct statement.
a) CuCl is covalent and NaCl is ionic
b) Cations with 18 electron shells have greater polarising power than the cations with 8-electron shells
c) Inner shell electrons have a poor shielding effect on the nucleus and thus electronegativity of the 18 electron shell is increased
d) All are correct statements

Q10. 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

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