Do Mocktest Online Test Series

Chemical Bonding and Molecular Structure – Chemistry| NEET Online Mock Test|

Online Mock Test Description

Mock TestChemical Bonding and Molecular Structure
ExamNEET Medical Test
SubjectChemistry
Marks100
No. Questions50 Questions
Time50 Minutes

3

Chemical Bonding and Molecular Structure - NEET (Chemistry)

Learn more! Practice more! Score more!

Best of Luck!

1 / 50

Number of 90o angle is BrF5?

2 / 50

The incorrect statement regarding resonance is/are

3 / 50

Lattice energy of an ionic solid depends upon

4 / 50

Which of the following single bond is of highest bond enthalpy value ?

5 / 50

Intermolecular attractive forces vary in the order

  1. Water < alcohol < ether
  2. Water > alcohol > ether
  3. Alcohol > water < ether
  4. Ether > water > alcohol

6 / 50

Choose the correct statement

  1. C2 has no π-bonds as per MOT
  2. C-O bond length in CO+ is less than that in CO
  3. OC2 has a bond angle lower than SCI2
  4. NF3 has a pπ- dπ bond

7 / 50

The electronegativity of H and Cl are 2.1 and 3.0 respectively. The correct statement about the nature of HCI is

8 / 50

The number of bonding electrons in N2+ and antibonding electron pairs in O22- respectively are

9 / 50

CIF3 has which of the following shape?

10 / 50

Both BF3 and NF3 are covalent compounds. BF3 is a nonpolar compound but NF3 is polar. The reason for it is

  1. Boron is a solid but nitrogen is gas
  2. Atomic size of boron is smaller than nitrogen
  3. Nitrogen is more electronegative than boron
  4. BF3 is trigonal planar but NF3 is pyramidal

11 / 50

The geometry of CO2 and PCl5 molecule respectively are

12 / 50

The maximum number of 90° angles between bond pair-bond pair of electrons is observed in

  1. sp3 hybridisation
  2. sp3d hybridisation
  3. dsp2 hybridisation
  4. sp3d2 hybridisation

13 / 50

Which of the following species has the shortest bond length

  1. O22+
  2. O2-
  3. O22-
  4. O2+

14 / 50

The sum of the number of lone pairs of electrons on the central atom in BrF5 and S4 is

15 / 50

The bond order of C - O bond in CO32- is

16 / 50

Which of the following molecules will have the same number of σ and π electrons?

  1. N2
  2. CO2
  3. CH3CN
  4. C2H2

17 / 50

Which of the following is the correct order of dipole moments?

  1. H2O>NH3>NF3
  2. CO2>H2O>NH3
  3. CCl4<PCl5<BCl3
  4. H2O<NH3<NF3

18 / 50

The correct increasing order of bond angles in the following species is

  1. BCI3 <  NH3 < PCl3
  2. NH3 < CH4 < BCl3
  3. NH4+ < BCl3 < BeCl2
  4. Both (2) and (3)

19 / 50

Which of the following has the highest lattice enthalpy?

  1. CsCl
  2. CaF2
  3. Csl
  4. BaF2

20 / 50

Which of the following is correctly matched regarding the hybridization of the central atom?

  1. SO2 : sp3
  2. SO42- : sp3d2
  3. ClF3 : sp3d
  4. SF4 : sp3

21 / 50

The correct order of sigma bond strength corresponding to the given overlaps is

  1. s - s > s - p > p - p
  2. s - s > p - p > s - p
  3. s - s > s - p = p - p
  4. s - s < s - p < p - p

22 / 50

Which of the following has the largest size in aqueous medium?

  1. Li+
  2. Na+
  3. Cs+
  4. K+

23 / 50

Which of the following has the highest dipolement?

  1. HCN
  2. HNC
  3. CO
  4. NH3

24 / 50

Which of the following has a permanent dipole moment?

  1. BCl3
  2. CH4
  3. XeF4
  4. XeF6

25 / 50

Select from the following that exists dominantly

  1. HF2-
  2. HBr2-
  3. HCl2-
  4. HI2-

26 / 50

The dipole moment of LiH is 1.9 * 10-29 Cm and the interionic distance between Li and H in the species is 1.6A Calculate % ionic character of LIH

27 / 50

Select the order that is correct about Bond angle

  1. NO2+ > NO2 > NO2-
  2. NH3 > PH3 > AsH3
  3. BF3 = BCl3 = BBr3
  4. All are correct

28 / 50

Which of the following is trigonal planar in shape?

  1. N(SiH3)3
  2. CCl3(-)
  3. XeF4
  4. 1 and 2

29 / 50

Experimentally determined molecular mass of acetic acid (CH3COOH) is 120 instead of 60. This is due to the formation of

30 / 50

Correct order of bond order among C2+, C2, C2- and C22- is

  1. C22- > C2 > C2- > C2+
  2. C22- > C2- > C2 > C2+
  3. C2 > C2- > C2+ > C22-
  4. C22- > C2- > C2+ > C2

31 / 50

The number of bond and a bonds in a molecule of tetracyano ethylene are

32 / 50

Order of bond angle among NO2 , NO2+ ,NO2- is

  1. NO2  > NO2+ > NO2-
  2. NO2+ > NO2- > NO2
  3. NO2> NO> NO2+
  4. NO2+ > NO> NO2-

33 / 50

The formal charge of the oxygen atom in OH- is

34 / 50

Hybridisation in ammonium ion is

  1. sp2
  2. sp3
  3. sp3d
  4. sp3d2

35 / 50

Select the following that has correct order of greater extent of overlapping of pure orbitals

  1. 2s - 2s > 2s - 2p > 2p - 2p
  2. 2p - 2p > 2s - 2p > 2s - 2s
  3. 2s - 2s > 2p - 2p > 2s - 2p
  4. All have same extent of overlapping since all have same orbit

36 / 50

O-P-X (X= halogen) bond angle is maximum in

  1. POF3
  2. POCl3
  3. POBr3
  4. POI3

37 / 50

Lattice energy of an ionic compound depends on

38 / 50

Which of the following statement is correct?

39 / 50

Which of the following statements is correct?

  1. Bond order of CO is greater than CO+
  2. CO is paramagnetic
  3. CO+ is diamagnetic
  4. The bond order of  CO+ is greater than CO

40 / 50

Which one of the following combination is not allowed in LCAO method for the formation of a molecular orbital? (Consider Z-axis as the molecular axis).

  1. s + pz
  2. Px + px
  3. pz + pz
  4. s + px

41 / 50

Which of the following is correct?

  1. O22- is more stable than O22+
  2. N22- is more stable than N22+
  3. O2+is more stable than O2-
  4. O2 is more stable than O22+

42 / 50

The species which does not show paramagnetism is

  1. O2+
  2. O2
  3. H2+
  4. O2-2

43 / 50

Total number of lone pair and bond pair of electron of Xe in XeOF4 are

44 / 50

Which one has the maximum bond dissociation energy?

  1. O2
  2. O2+
  3. O2-
  4. O22-

45 / 50

Which has zero dipole moment?

  1. CFCl3
  2. SiF4
  3. ClF
  4. PCl3

46 / 50

The ONO bond angle is maximum in

  1. NO2-
  2. NO3-
  3. NO2
  4. All have the same bond angle

47 / 50

The correct order for bond length in N2, CN, C = C is

  1. C = C > C = N > N = N
  2. N = N > C = N > C = C
  3. N = N > C=C > C = N
  4. C = N > N = N > C = C

48 / 50

Hybridisation of Xe in XeO2F2 is

  1. sp3
  2. sp3d
  3. sp3d2
  4. sp

49 / 50

I3- have the following hybridisation

  1. sp3
  2. sp3d
  3. sp3d2
  4. sp2

50 / 50

Which has greater lattice energy?

Your score is

The average score is 23%

0%

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top