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    01-Periodic Table Allen Material

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    Durga Sanker
    This document provides a revision material on periodic properties in inorganic chemistry. It contains 25 multiple choice questions and 5 numerical questions covering topics like ion sizes, ionization energies, electron affinities, electronegativity, periodic trends, etc. The answer key with explanations is also provided.

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    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd

    01-Periodic Table Allen Material

    Uploaded by

    Durga Sanker
    2K views4 pages
    This document provides a revision material on periodic properties in inorganic chemistry. It contains 25 multiple choice questions and 5 numerical questions covering topics like ion sizes, ionization energies, electron affinities, electronegativity, periodic trends, etc. The answer key with explanations is also provided.

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    01-Periodic table Allen material

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    This document provides a revision material on periodic properties in inorganic chemistry. It contains 25 multiple choice questions and 5 numerical questions covering topics like ion sizes, ionization energies, electron affinities, electronegativity, periodic trends, etc. The answer key with explanations is also provided.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    2K views4 pages

    01-Periodic Table Allen Material

    Uploaded by

    Durga Sanker
    This document provides a revision material on periodic properties in inorganic chemistry. It contains 25 multiple choice questions and 5 numerical questions covering topics like ion sizes, ionization energies, electron affinities, electronegativity, periodic trends, etc. The answer key with explanations is also provided.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 4

    TM

    Path to success KOTA (RAJASTHAN)


    PERIODIC PROPERTIES

    REVISION MATERIAL
    PERIODIC PROPERTIES INORGANIC CHEMISTRY
    KEY CONCEPT

    INORGANIC CHEMISTRY 1
    TM

    REVISION MATERIAL (INORGANIC CHEMISTRY) Path to success KOTA (RAJASTHAN)

    EXERCISE
    SINGLE CORRECT ANSWER TYPE
    1. In the ions P3- , S2- and Cl– the increasing order of size is:-
    (A) Cl– , S2- , P3- (B) P3- , S2- ,Cl– (C) S2-, Cl– , P3- (D) S2-, P3—, Cl–
    2. The second ionisation potentials in electron volts of oxygen and fluorine atoms are respectively given
    by :-
    (A) 35.1, 38.3 (B) 38.3, 38.3 (C) 38.3, 35.1 (D) 35.1, 35.1
    3. Electron addition would be easier in :-
    (A) O (B) O+ (C) O– (D) O+2
    4. O(g) + 2e– O2–(g) Heg = 744.7 KJ/mole. The positive value of Heg is due to :-
    (A) Energy is released to add on 1 e– to O–1 (B) Energy is required to add on 1 e– to O–1
    (C) Energy is needed to add on 1e– to O (D) None of the above is correct
    5. Which order is wrong :-
    (A) Electronegativity – P < N < O < F (B) Ist ionisation potential – B < Be < O < N
    (C) Basic property – MgO > CaO > FeO > Fe2O3 (D) Reactivity – Be < Li < K < Cs
    6. 1 2 3 4
    H3C – CH = C = CH2
    In the given compound which carbon atom will show maximum electronegativity -
    (A) Fourth (B) First
    (C) Third (D) EN of all the carbon atoms is same
    7. Decreasing order of size of ions is :-
    (A) Br– > S–2 > Cl– > N–3 (B) N3– > S–2 > Cl– > Br–
    (C) Br– > Cl– > S–2 > N–3 (D) N–3 > Cl– > S–2 > Br–
    8. The right order of ionization potential of Li, Be, B & C is :
    (A) C > Be > B > Li (B) C > B > Be > Li (C) C > B > Li > Be (D) B > C > Be > Li
    9. The correct order of second ionization potential of C, N, O and F is
    (A) C > N > O > F (B) O > N > F > C (C) O > F > N > C (D) F > O > N > C
    10. The correct sequence of the electron affinity of C, N, O and F is :
    (A) C > N < O < F (B) O > N > C > F (C) C < N > O < F (D) C > N > O > F
    11. The decreasing order of the ionization potential of the following elements is :
    (A) Ne > Cl > P > S > Al > Mg (B) Ne > Cl > P > S > Mg > Al
    (C) Ne > Cl > S > P > Mg > Al (D) Ne > Cl > S > P > Al > Mg
    12. In which of the following arrangements the order is not according to the property indicated
    against it ?
    –
    (A) Al3+ < Mg2+ < Na+ < F - increasing ionic size
    (B) B < C < N < O - increasing first ionization potential
    (C) I < Br < F < Cl - increasing electron gain ethalpy (with negative sign)
    (D) Li < Na < K < Rb - increasing metallic radius
    2 INORGANIC CHEMISTRY
    TM

    Path to success KOTA (RAJASTHAN)


    PERIODIC PROPERTIES
    13. Lanthanoid contraction is caused due to :
    (A) the same effective nuclear charge from Ce to Lu
    (B) the imperfect shielding on outer electrons by 4f electrons from the nuclear charge
    (C) the appreciable shielding on outer electrons by 4f electrons from the nuclear charge
    (D) the appreciable shielding on outer electrons by 5d electrons from the nuclear charge
    14. Which of the following ion is smallest in size ?
    (A) Cl– (B) Na+ (C) H+ (D) S2–
    15. Size of which elements are mainly respresented as non-bonded radii -
    (A) Halogen (B) Chalcogens (C) Noble gas (D) Pnicogens
    16. Highest ionisation potential in a period is shown by -
    (A) Alkali metals (B) Noble gases (C) Halogens (D) Representative elements
    17. The first four I.E. values of an element are 284, 412, 656 and 3210 kJ mol–1 . The number of valence
    electrons in the element are :
    (A) one (B) two (C) three (D) four
    18. If the ionisation energy is IE, electron affinity is EA and electronegativity is X then which of the
    following relation is correct :-
    (A) 2X – EA – IE = 0 (B) 2EA – X – IE = 0
    (C) 2IE – X – EA = 0 (D) All of the above
    19. Which of the following order is correct for the acidic strength of oxides -
    (A) CaO < CO2 < N2O5 (B) N2O5 < CO2 < CaO
    (C) CO2 < N2O5 < CaO (D) N2O5 = CO2 < CaO
    20. Arrange in the order of increasing basic strength (NO2, K2O, ZnO) :-
    (A) NO2 < ZnO < K2O (B) K2O < ZnO < NO2
    (C) NO2 < K2O < ZnO (D) K2O < NO2 < ZnO
    INTEGER ANSWER TYPE
    21. Element with maximum I.E in periodic table exist in which period number of long form of periodic
    table.
    22. Element with minimum I.E in periodic table exist in which group number of long form of periodic
    table.
    23. If group number of elements having highest negative electrongain enthalpy in respective periods is
    xy, then x + y is
    24. How many of noble gas having negative electron gain enthalpy.
    He, Ne, Ar, Kr, Xe, Rn
    25. What is the period number of element which has maximum electron affinity among all known elements
    in long form of periodic table.
    INORGANIC CHEMISTRY 3
    TM

    REVISION MATERIAL (INORGANIC CHEMISTRY) Path to success KOTA (RAJASTHAN)

    26. Among the following in how many process energy is released ?


    (A) N(g) + e– N–(g) (B) Be(g) + e– Be–(g)
    (C) O(g) + e– O–(g) (D) Mg–(g) Mg(g) + e–
    (E) O(g) O+ +(g) + e– (F) O–(g) + e– O(g)
    – – – –
    (G) H (g) H(g) + e (H) O (g) – e O2–(g)
    (I) Mg+(g) Mg2+ + e– (J) P(g) + e– P–(g)
    27. How many elements from the following are not transition elements ?
    Zr, Co, Cd, Hg, Au, Cu
    28. The first four ionization energy values of an element are 120, 240, 520, and 6420 kcal. The
    number of valence electrons in the element is :
    29. How many unpaired electron(s) is/are present in tri-positive titanium ion ?
    30. Find the number of metals from the following: As, Fe, Xe, Li, B, Cl, Ba, P, I, Si.

    ANSWER KEY
    1. (A) 2. (C) 3. (D) 4. (B) 5. (C) 6. (C)
    7. (A) 8. (A) 9. (C) 10. (A) 11. (B) 12. (B)
    13. (B) 14. (C) 15. (C) 16. (B) 17. (C) 18. (A)
    19. (A) 20. (A) 21. 1 22. 1 23. 8 24. 0
    25. 3 26. 3 27. 2 28. 3 29. 1 30. 3

    4 INORGANIC CHEMISTRY

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