NEET Test Series-2021 to 2022/ Sample Test,Sample questions

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Question: 
 Homolytic fission of C-C bond of ethane (C2H6) which gives an intermediate in which carbon atom is

1.sp3 hybridised

2.sp2 hybridised

3.sp hybridised

4.sp3d hybridised

Posted Date:-2021-03-07 09:03:37

Question: 
 In BrF3 molecule the lone pairs occupy an equatorial position to minimise

1.lone pair-bond pair repulsion only

2.bond pair-bond pair repulsion only

3.lone pair-lone pair repulsion and lone pair-bond pair repulsion

4.lone pair-lone pair repulsion only

Posted Date:-2021-03-07 09:03:37

Question: 
 Select correct statement

1.Cations with 18 electron shells have greater polarising power than the cations with 8-electron shells.

2.Inner shell electrons have a poor shielding effect on the nucleus and thus electronegativity of the 18 electron shell is increased.

3.CuCl is covalent and NaCl is ionic

4.All are correct statements

Posted Date:-2021-03-07 09:03:37

Question: 
 The molecule MLx is planar with six pairs of electrons around M in the valence shell. The value of x is

1.6

2.2

3.4

4.3

Posted Date:-2021-03-07 09:03:37

Question: 
 Which of the following compounds has the electron pair geometry as trigonal bipyramidal with three equatorial positions occupied by lone pairs of electrons?

1.AlCl3

2.XeF2

3.Pt(NH3)2Cl

4.CH3MgBr

Posted Date:-2021-03-07 09:03:37

Question: 
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?

1.10.66

2.12.35

3.16.66

4.19.33

Posted Date:-2021-03-07 09:03:37

Question: 
If the water molecule is linear

1.it would have a very high boiling point

2.it would be highly reactive

3.its dipole moment would be zero

4.it would be highly ionic

Posted Date:-2021-03-07 09:03:37

Question: 
The hybridisation of phosphorous in POCl3 is the same as in

1.P in PCl3

2.S in SF4

3.Cl in ClF3

4.B in BCl3

Posted Date:-2021-03-07 09:03:37

Question: 
The molecule, which contains sp3d2 and p orbitals overlapping in it is

1.IF7

2.PCl5

3.BrF5

4.ClF3

Posted Date:-2021-03-07 09:03:37

Question: 
Total number of electron pairs in PCl5, PCl4+ and PCl6– are respectively

1.20, 16, 24

2.24, 16, 20

3.16, 20, 24

4.24, 20, 16

Posted Date:-2021-03-07 09:03:37

Posted on by R4R Team

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