Chemical Bonding MCQs for CSIR NET & GATE Chemistry | Download PDF

Vijay Ishwar
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Chemical Bonding MCQs for CSIR NET & GATE Chemistry is a comprehensive guide that provides multiple choice questions on the topic of chemical bonding. The PDF download includes a wide range of questions that cover all the important concepts related to chemical bonding, making it an essential resource for students preparing for the CSIR NET and GATE Chemistry exams. The questions are designed to test the student's understanding of the topic and are presented in a format that is similar to the actual exam. The guide is available for download in PDF format, making it easy to access and study on the go. You can also attempt this assignment as a quiz where you can tick mark options, calculate your score and analyze your performance. 

Chemical Bonding | Assignment 7

         

Question 1 Which of the following set of molecules have non-zero dipole moment?

a)               CO2, trans-C6H4Cl2
b)              S2Cl2, H2O2
c)               CO2, PF2Cl3
d)              SO42-, S2Cl2

Question 2 Which hybridization does not follow the criteria of hybridization?

a)               sp and sp2
b)              sp3 and sp3d2
c)               sp3d and sp3d3
d)              sp and sp3d2

Question 3 The correct statement about the S-O bonds in SO3 molecule is:

a)               The two bonds are stronger than the third bond.
b)              The one bond is stronger than the other two.
c)               All bonds are equally stronger.
d)              The two bonds are longer than the other.

Question 4 The correct statement about CH5+ molecules is:

a)               The electron deficiency of C is similar to CH3+.
b)              The number of electrons around the central atom are 8.
c)               The number of electrons around the central atom are 6.
d)              It is a type of hypervalent molecules.

Question 5 The incorrect statement about NO2, NO2+ and CO2 is:

a)               NO2 is paramagnetic and NO2+ is diamagnetic.
b)              Both CO2 and NO2+ have linear geometry.
c)               Both NO2 and CO2 are paramagnetic.
d)              CO2 and NO2+ are isoelectronic.

Question 6 Consider the following reaction: Au + O2 + 3F2 [O2]+ + [AuF6]-
Which statement is correct about the redox changes in this reaction?

a)               Au is oxidized; O is oxidized; F is reduced
b)              Au is reduced; O is oxidized; F is reduced
c)               Au is oxidized; O does not undergo a redox change; F is reduced
d)              Au is reduced; O is oxidized; F does not undergo a redox change.

Question 7 Consider the two diatomic molecules CN and CN-, and the potential energy diagram shown below.

Which of the following is the correct statement?

a)               Bond order of CN is 2.5 and the curve Y corresponds to CN.
b)              Bond order of CN is 3 and the curve X corresponds to CN.
c)               Bond order of CN- is 3 and the curve Y corresponds to CN-.
d)              Bond order of CN- is 2.5 and the curve X corresponds to CN-.

Question 8 The term symbol corresponding to first excited state of O2 molecule is:

a)               3Σg-  
b)              1Σg+
c)               1Δg
d)              3Δg

Question 9 The number of overlapping zones in sigma, pi, delta and phi bond, respectively are:

a)               1, 2, 3, 4
b)              1, 2, 4, 6
c)               1, 2, 4, 4
d)              1, 2, 4, 5

Question 10 The correct order of basicity is:

a)               C > B > A
b)              A > C > B
c)               A > B > C
d)              C > A > B

Question 11 The correct increasing order of intensity of color for the following complexes is:

a)               I < II < III < IV
b)              IV < III < II < I
c)               I < III < II < IV
d)              IV < II < III < I

Question 12 Which of the following statement is correct?

a)               Direction of back bonding is reverse in CCl3- and CCl2
b)              Back bonding in both the cases takes place from C Cl
c)               Back bonding in both the cases takes place from Cl C
d)              Both of them undergo similar type of reactions.

Question 13 Which of the following is the correct order of stability?

a)               [AgI2]- < [AuI2]- < [CuI2]-
b)              [CuI2]- < [AgI2]- < [AuI2]-
c)               [AuI2]- < [CuI2]- < [AgI2]-
d)              [AuI2]- < [AgI2]- < [CuI2]-

Question 14 Hybridization of nitrogen atom in CH3NCO and SiH3NCO, respectively are:

a)               sp2 and sp2
b)              sp2 and sp
c)               sp and sp2
d)              sp3 and sp

Question 15 Which set among the following has same geometry?

a)               XeO2F4 and MoMe6
b)              [Fe(CN)6]4- and SF6
c)               CH4 and [PtCl4]2-
d)              [CdCl5]3- and [InCl5]3-

Answers

1b 2c 3c 4b 5c 6a 7c 8c 9b 10d 11a 12a 13b 14b 15b

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