PERIODIC TABLE PART- 1 - NEET BOOSTER · 2020. 8. 20. · PERIODIC TABLE PART- 1 Contact : 8400-582-582, 8604-582-582

PERIODIC TABLEPART- 1

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Which of the following is not a Doeberiner

triad -

(A) Li, Na, K (B) Mg, Ca, Sr

(C) Cl, Br, I (D) S, Se, Te

01


Which of the following set of elements

obeyes Newland’s octave rule -

(A) Na, K, Rb (B) F, Cl, Br

(C) Be, Mg, Ca (D) B, Al, Ga

02


Which is not anomalous pair of elements in

the Medeleeves periodic table -

(A) Ar and K (B) Co and Ni

(C) Te and I (D) Al and Si

03


Elements which occupied position in the lother

meyer curve, on the peaks, were -

(A) Alkali metals

(B) Highly electro positive elements

(C) Elements having large atomic volume

(D) All

04


Atomic no. is the base of -

(i) Lother meyer curve

(ii) Newland octave rule

(iii) Modern periodic table

(iv) Doeberiener triad rule

(v) Long form of periodic table

(A) (i), (ii), (iv) (B) (iii), (v)

(C) (i), (iv) (D) (i), (iii), (v)

05


Justification of putting H in VII A group is -

(A) H is gas

(B) H is non metal

(C) It form NaH like salt

(D) It has ortho and para allotropes

06


The discovery of which of the following group

of elements gave a death blow to the Newlands

Law -

(A) Inert gases

(B) Alkali metals

(C) Transuranic element

(D) Halogens

07


In the general electronic configuration -

(n – 2)f1–14 (n – 1)d0–1 ns2, if value of n = 7 the

configuration will be -

(A) Lanthenides

(B) Actinides

(C) Transition elements

(D) None

08


Three dimensional periodic table was given

by-

(A) De-Broglie

(B) De-Chan Chortois

(C) Mendeleaf

(D) Newland

09


In the Doberiener’s triad all three element

have same -

(A) Electronic configuration

(B) Properties

(C) Number of shells

(D) (1) & (2) both

10


Which statement is wrong for the long form of

periodic table -

(A) Number of periods are 7 and groups 18

(B) No. of valence shell electrons in a period are

same

(C) IIIrd B group contains 32 elements

(D) Lanthanides and actinides are placed in same

group

11


Which of the following statement is false -

(A) Elements of ns2np6 electronic

configuration lies in 1st to 6th period

(B) Typical elements lies in 3rd period

(C) The seventh period will accommodate

thirty two elements

(D) Boron and silicon are diagonally related

12


The elements which occupy the peaks of the

atomic volume curve are -

(A) Fe, Co, Ni (B) Cl, Br, I

(C) K, Rb, Cs (D) Ne, Ar, Kr

13


Which of the following set of elements

belongs to same period -

(A) Zn, Cd, Hg (B) Fr, Ra, U

(C) K, Ca, Ag (D) None

14


In 6th period of the modern periodic table,

electronic energy levels is in the order -

(A) 6s, 4f, 5d, 6p

(B) 6s, 6p, 4f, 5d

(C) 5f, 5d, 6s, 6p

(D) None

15


The screening effect of d-electrons is -

(A) Equal to the p-electrons

(B) Much more than p-electrons

(C) Same as f-electrons

(D) Less than p-electrons

16


In which of the following compounds

manganese show maximum radius -

(A) MnO2 (B) KMnO4

(C) MnO (4) K3[Mn(CN)6]

17


Arrange the following in order of increasing

atomic radii Na, Si, Al, Ar -

(A) Na < Si < Al < Ar

(B) Si < Al < Na < Ar

(C) Ar < Al < Si < Na

(D) Na < Al < Si < Ar

18


Atomic radii of Fluorine and Neon in

Angstrom units are given by -

(A) 0.72, 1.60

(B) 1.60, 1.60

(C) 0.72, 0.72

(D) None of these

19


3 students Ram, Shyam and Raj measured the radius of an

element A. The values of their practical were not same

(Ram = 110 nm, Shyam = 190 nm and Raj = 108 nm).

Their teacher explained that their measurement were

correct by saying that the recorded values are -

(A) Metalic, vanderwall and covalent radii respectively

(B) Covalent, Metallic and Vander wall radii respectivel

(C) Vander wall, Metallic and covalent radii respectively

(D) None of the above

20


Which statement is false :

(A) Screening effect increases down the

group

(B) Zeff increases down the group

(C) Zeff. increases in a period

(D) All

21


Which group of atoms have nearly same

atomic radius :

(A) Na, K, Rb, Cs

(B) Li, Be, B, C

(C) Fe, Co, Ni

(D) F, Cl, Br, I

22


Which of the following order of radii is

correct

(A) Li < Be < Mg

(B) H+ < Li+ < H–

(C) O < F < Ne

(D) Na+ > F– > O–2

23


The radius of potassium atom is 0.203 nm. The

radius of the potassium ion in nanometer will

be

(A) 0.133 (B) 0.231

(C) 0.234 (D) 0.251

24


Which has the lowest anion to cation size

ratio

(A) LiF (B) NaF

(C) CsI (D) CsF

25


Which electronic configuration of an atom

is smallest in size

(A) 3s2

(B) 3s23p3

(C) 3s1

(D) 3s23px2py

2pz1

26


Spot the incorrect order of atomic radii

(A) rCu > Zn (B) rCl > F

(C) rP > S (D) rSc > Ti

27


The best reason to account for the general tendency of

atomic diameters to decrease as the atomic numbers

increase within a period of the periodic table is the fact that

(A) Outer electrons repel inner electrons

(B) Closer packing among the nuclear particles is achieved

(C) The number of neutrons increases

(D) The increasing nuclear charge exerts a greater

attractive force on the electrons

28


In which of the following compound,

distance between two nuclei is maximum

(A) CsF (B) KI

(C) CsI (D) LiI

29


Incorrect statement is

(A) Atomic size Zeff

(B) Atomic size negative charge

(C) Atomic size

(D) Atomic size Screening effect

30

orderBond

1

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PERIODIC TABLE PART- 1 - NEET BOOSTER · 2020. 8. 20. · PERIODIC TABLE PART- 1 Contact : 8400-582-582, 8604-582-582