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NEET Chemistry MCQ
Periodic Table Mcq Neet Chemistry
Quiz 5
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Q.1
Which of the following set includes the elements which were named in honor of certain countries?
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a) In, Ge, Po
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b) Ge, Bk, Cr
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c) Ru, Am, Ge
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d) All are correct
Explanation
Ru ( Ruthenium) from Ruthenia ( Russia) Am ( Americium) from AmericaGe( Germanium) from GermanyNote In ( Indium) is not from India but colour Indigo ( Blue)Answer: (c)
Q.2
chloride ion and potassium ion are isoelectronic. Then ..[ KCET 2002]
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a) Their size are same
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b) Cl- ion is bigger than K+ ion
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c) K+ ion is relatively bigger
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d) Their size depend on other cation and anion
Explanation
Answer: (b)
Q.3
Which of the following is most electropositive element? [ J and K CEET 2003]
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a) Al
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b) Mg
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c) P
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d) S
Explanation
Answer: (b)
Q.4
In any period, the valency of an element with respect to oxygen. ..[ Kerala MEE 2003]
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a) Increases one by one from IA to VII A
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b) Decrease one by one from IA to VIIA
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c) Decreases one by one from IA to IVA and then increases from VA to VIIA one by one
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d) Increases one by one from IA to IVA and then decreases from VA to VIIA one by one
Explanation
Answer: (a)
Q.5
Name the element in the periodic table forming maximum number of compounds .... [ Haryana CEET 2003]
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a) C
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b) H
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c) O
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d) F
Explanation
Answer: (a)
Q.6
In the periodic table, metallic character of the elements shows one of the following trend. [ Kerala CEE 2003]
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a) Decreases down the group and increases across the period
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b) Increases down the group and decreases across the period
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c) Increases across the period and also down the group
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d) Decreases across the period and also down the group
Explanation
Answer: (b)
Q.7
Which of the following is correctly matched? .. [ Tamilnadu CET 2002]
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a) C - C bond length --- 0.077nm
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b) Ionic radius of Na+ --- 0.136 nm
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c) C - Cl bond length --- 0.176 nm
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d) Ionic radius of F- --- 0.095 nm
Explanation
C - C bond length is 0 .154 nm Ionic radii of Na+ is 0.095 nmIonic radii of F- is 0.136 nmAnswer: (c)
Q.8
Which is true about the electronegativity order of the following elements? [ BVP Pune 2002]
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a) P > Si
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b) C > N
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c) Br > Cl
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d) Sr > Ca
Explanation
Answer: (a)
Q.9
Which of the following order is correct for the first ionization potential of B, C and N .. [ MP PMT 2002]
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a) B > C > N
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b) N > C > B
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c) N > C < B
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d) N < C < B
Explanation
Answer: (b)
Q.10
The number of elements present in fifth period is ..
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a) 18
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b) 32
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c) 8
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d) 24
Explanation
Answer: (a)
0 h : 0 m : 1 s
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