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Chemical Bonding - Main Group - Periodic Properties


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60 Questions MCQ Test Mock Test Series for IIT JAM Chemistry | Chemical Bonding - Main Group - Periodic Properties

Chemical Bonding - Main Group - Periodic Properties for Chemistry 2022 is part of Mock Test Series for IIT JAM Chemistry preparation. The Chemical Bonding - Main Group - Periodic Properties questions and answers have been prepared according to the Chemistry exam syllabus.The Chemical Bonding - Main Group - Periodic Properties MCQs are made for Chemistry 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Chemical Bonding - Main Group - Periodic Properties below.
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Chemical Bonding - Main Group - Periodic Properties - Question 1

The inter-nuclear distance in O—O bonds for  respectively are:           

Chemical Bonding - Main Group - Periodic Properties - Question 2

Arrange the following compounds in their C—H bond length:           
(I) CH3F      (II) CH2F2       (III) CHF3           

Chemical Bonding - Main Group - Periodic Properties - Question 3

Arrange the following species in increasing order of stability:           
Li2, Li2+, Li2               

Chemical Bonding - Main Group - Periodic Properties - Question 4

Which of the following is correct structure of S2Cl2?  

Chemical Bonding - Main Group - Periodic Properties - Question 5

Elements X and Y have valence shell electronic configuration as: 
X: ns2np    Y: ns2np3
Which compound is likely to be formed?           

Chemical Bonding - Main Group - Periodic Properties - Question 6

M+3 has electronic configuration as [Ar]3d104s2, hence it lies in following block:           

Detailed Solution for Chemical Bonding - Main Group - Periodic Properties - Question 6

Chemical Bonding - Main Group - Periodic Properties - Question 7

Pick out the property which is not shown by transition metals:           

Chemical Bonding - Main Group - Periodic Properties - Question 8

Which one is correct:

Chemical Bonding - Main Group - Periodic Properties - Question 9

Which among the following is both a molecule and a compound?       

Detailed Solution for Chemical Bonding - Main Group - Periodic Properties - Question 9

H2O is both a molecule and a compound. This is because the atoms which make them are not the same.

Chemical Bonding - Main Group - Periodic Properties - Question 10

Standard reduction potentials in acidic medium for F2, Cl2, Na, Zn are in the order:           

Chemical Bonding - Main Group - Periodic Properties - Question 11

Consider the compounds PF5, SbF5, PH3 and SbH3. The strongest acid and strongest base among these are resp:           

Chemical Bonding - Main Group - Periodic Properties - Question 12

Among SiCl4, P(O)Cl3, NF3, trans-[SnCl4(py)2] (py = pyridine), those with zero dipole moments are:

Chemical Bonding - Main Group - Periodic Properties - Question 13

The nodal plane in the π-bond of ethene is located in:           

Chemical Bonding - Main Group - Periodic Properties - Question 14

Ionic hydrides reacts with water to give           

Chemical Bonding - Main Group - Periodic Properties - Question 15

Consider (I) I-, (II) Se2-, (III) Br, (IV) O2-, (V) F- and arrange them in decreasing order of ionic radius.           

Chemical Bonding - Main Group - Periodic Properties - Question 16

Which pair is different from others?

Chemical Bonding - Main Group - Periodic Properties - Question 17

The d-bond is formed via the overlap of (considering z-axis as the inter-nuclear axis):           

Chemical Bonding - Main Group - Periodic Properties - Question 18

First, Second and Third ionization energy values are 100 eV, 150 eV and 1500 eV. Element can be?  

Chemical Bonding - Main Group - Periodic Properties - Question 19

Which of the following compunds is not formed by all alkali metals?

Detailed Solution for Chemical Bonding - Main Group - Periodic Properties - Question 19

All alkali metals form hydrides, hydroxides and amide but metals like Li and Na do not from superoxide MO2.

Chemical Bonding - Main Group - Periodic Properties - Question 20

Least acidic tri-halide is?

Chemical Bonding - Main Group - Periodic Properties - Question 21

What are the hydrolysis products of calcium carbide?           

Chemical Bonding - Main Group - Periodic Properties - Question 22

Noble gases (like He, Ne, Ar, Kr etc) are isolated from air. One of the steps is/are           

Chemical Bonding - Main Group - Periodic Properties - Question 23

To an acidified dichromate solution, a pinch of Na2O2 and ether is added and shaken. What is the observation?           

Chemical Bonding - Main Group - Periodic Properties - Question 24

The reason for the chemical inertness of gaseous nitrogen at room temperature is best given by its:           

Chemical Bonding - Main Group - Periodic Properties - Question 25

The correct increasing order of melting points of the following is:           

Chemical Bonding - Main Group - Periodic Properties - Question 26

Which reaction lead to adduct formation:           

Chemical Bonding - Main Group - Periodic Properties - Question 27

Which represents Alkali metals based on IE1and IE2 values?                        
   

Chemical Bonding - Main Group - Periodic Properties - Question 28

Ionic radii are:           

Chemical Bonding - Main Group - Periodic Properties - Question 29

Which has maximum stability?           

Chemical Bonding - Main Group - Periodic Properties - Question 30

Which is best oxidizing agent?           

Chemical Bonding - Main Group - Periodic Properties - Question 31

An atom differs from its ion in which among the following ?

Detailed Solution for Chemical Bonding - Main Group - Periodic Properties - Question 31

When an atom loses or gains electrons its forms its corresponding ion, and hence it differs in number of electrons.

For example, H atom has 1 electron. Whereas H+ ion has 0 electrons. On the other hand, H ion has 2 electrons.

*Multiple options can be correct
Chemical Bonding - Main Group - Periodic Properties - Question 32

Select correct statement(s)           

*Multiple options can be correct
Chemical Bonding - Main Group - Periodic Properties - Question 33

Which of the following statement(s) is/are correct?           

*Multiple options can be correct
Chemical Bonding - Main Group - Periodic Properties - Question 34

Which of the following will give H2O2 on hydrolysis?                              

*Multiple options can be correct
Chemical Bonding - Main Group - Periodic Properties - Question 35

Which statement is/are correct?           

*Multiple options can be correct
Chemical Bonding - Main Group - Periodic Properties - Question 36

Select correct statement(s):           

*Multiple options can be correct
Chemical Bonding - Main Group - Periodic Properties - Question 37

Which of the following statement(s) is/are true?           

*Multiple options can be correct
Chemical Bonding - Main Group - Periodic Properties - Question 38

For the process, select the correct alternate:           
X(g) + e → X(g),     ∆H = x           
X–(g) →X(g) + e,     ∆H = y

*Multiple options can be correct
Chemical Bonding - Main Group - Periodic Properties - Question 39

Which pair represent/s correct first IE?​

*Multiple options can be correct
Chemical Bonding - Main Group - Periodic Properties - Question 40

Select correct alternate(s):           

*Answer can only contain numeric values
Chemical Bonding - Main Group - Periodic Properties - Question 41

The number of pairs which shows correct order of angle:

(I) NH3 > PH3                         (II) H2S < H2O               (III) NO2+ > NO2               (IV) NO2+ > NO2
(V) NO2> NO2+                    (VI) Cl2O < OF2            (VII) H2O > OF2


*Answer can only contain numeric values
Chemical Bonding - Main Group - Periodic Properties - Question 42

Total number of compound(s) having ‘X-X’ linkage. (where X is 15th group element):
N2O4, N2O, P4O6, N2O3, N2H4, P4S10, N2O5, H4P2O6, H2N2O2


*Answer can only contain numeric values
Chemical Bonding - Main Group - Periodic Properties - Question 43

Find number of interstitial carbides among following: 
V2C, V4C3, CaC2, Mg2C3, SiC, B4C, Al4C3, WC, V6C5, TiC, Cr3C2, Nb4C3, Mo3C2.


*Answer can only contain numeric values
Chemical Bonding - Main Group - Periodic Properties - Question 44

The bond angle in PBr3 is 101°. The percentage ‘s’ character of the central atom is: [upto 2 decimal place]


*Answer can only contain numeric values
Chemical Bonding - Main Group - Periodic Properties - Question 45

Calculate the total number of possible resonating structures of HN3 and NaN3 [provide combined value]:


*Answer can only contain numeric values
Chemical Bonding - Main Group - Periodic Properties - Question 46

For Na2B4O7.10H2O, determine the value of X + Y + Z
X = Total number of water molecules of crystallization 
Y = Total number of B—O—B bonds 
Z = Total number of tetrahedral boron atoms


*Answer can only contain numeric values
Chemical Bonding - Main Group - Periodic Properties - Question 47

Find the number of superoxides among following: Li2O, Na2O2, KO2, RbO2, CsO2


*Answer can only contain numeric values
Chemical Bonding - Main Group - Periodic Properties - Question 48

Maximum oxidation state shown by Mn is?


*Answer can only contain numeric values
Chemical Bonding - Main Group - Periodic Properties - Question 49

Electronegativity = [IE + EA]/N. This ‘N’ is?


*Answer can only contain numeric values
Chemical Bonding - Main Group - Periodic Properties - Question 50

Catenation is maximum for the element with atomic number?


*Answer can only contain numeric values
Chemical Bonding - Main Group - Periodic Properties - Question 51

Among the following the number of compounds/ions having a linear structure is:


*Answer can only contain numeric values
Chemical Bonding - Main Group - Periodic Properties - Question 52

The total number of lone pairs of electrons in N2O3 is:


*Answer can only contain numeric values
Chemical Bonding - Main Group - Periodic Properties - Question 53

The dipole moment of HCl is 1.03 D, if H—Cl bond distance is 1.26 Å, what is the percentage of ionic character in the H—Cl bond?


*Answer can only contain numeric values
Chemical Bonding - Main Group - Periodic Properties - Question 54

The molecule MLx is planar with 7 pairs of electrons around M in the valence shell. The value of x is:


*Answer can only contain numeric values
Chemical Bonding - Main Group - Periodic Properties - Question 55

In complete hydrolysis of P4S6, how many water molecules are required?


*Answer can only contain numeric values
Chemical Bonding - Main Group - Periodic Properties - Question 56

Consider the following reaction:

The number of possible isomers for [A] is:


*Answer can only contain numeric values
Chemical Bonding - Main Group - Periodic Properties - Question 57

How many oxygen atoms are shared in Pyroxenes?


*Answer can only contain numeric values
Chemical Bonding - Main Group - Periodic Properties - Question 58

Number of unpaired electrons n Gd(64) is?


*Answer can only contain numeric values
Chemical Bonding - Main Group - Periodic Properties - Question 59

Maximum oxidation state shown by Chalcogens is?


*Answer can only contain numeric values
Chemical Bonding - Main Group - Periodic Properties - Question 60

How many of following silicates are Neso-silicates?
Be2SiO4, Zn2SiO4, Sc2SiO7, ZrSiO4, Mg2SiO4, LiAl(SiO3)2, Fe2SiO4, Mg3Si4O10(OH)2


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