Periodic Table And Periodicity - Inorganic Chemistry - Chemistry Previous Year Questions

1

1981 · Chemistry · Inorganic Chemistry · Periodic Table And Periodicity

IIT JEE 1981

The correct order of second ionisation potential of carbon, nitrogen, oxygen and fluorine is

A

C > N > O > F

B

O > N > F > C

C

O > F > N > C

D

F > O > N > C

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2

1982 · Chemistry · Inorganic Chemistry · Periodic Table And Periodicity

IIT JEE 1982

The element with the highest first ionization potential is

A

boron

B

carbon

C

nitrogen

D

oxygen

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3

1982 · Chemistry · Inorganic Chemistry · Periodic Table And Periodicity

IIT JEE 1982

The energy released when an electron is added to a neutral gaseous atom is called ______ of the atom.

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4

1985 · Chemistry · Inorganic Chemistry · Periodic Table And Periodicity

IIT JEE 1985

On Mulliken scale, the average of ionization potential and electron affinity is known as _____.

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5

1985 · Chemistry · Inorganic Chemistry · Periodic Table And Periodicity

IIT JEE 1985

Arrange the following in:
Decreasing ionic size:
Mg²⁺, O^2-, Na⁺, F^-

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6

1985 · Chemistry · Inorganic Chemistry · Periodic Table And Periodicity

IIT JEE 1985

Arrange the following in:
Increasing acidic property:
ZnO, Na₂O₂, P₂O₅, MgO

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7

1985 · Chemistry · Inorganic Chemistry · Periodic Table And Periodicity

IIT JEE 1985

Arrange the following in:
Increasing first ionisation potential :
Mg, Al, Si, Na

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8

1986 · Chemistry · Inorganic Chemistry · Periodic Table And Periodicity

IIT JEE 1986

Arrange the following in:
Increasing size:
Cl^-, S^2-, Ca²⁺, Ar

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9

1987 · Chemistry · Inorganic Chemistry · Periodic Table And Periodicity

IIT JEE 1987

In group IA, of alkali metals, the ionisation potential decreases on moving down the group. Therefore, lithium is a strongest reducing agent

A

TRUE

B

FALSE

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10

1987 · Chemistry · Inorganic Chemistry · Periodic Table And Periodicity

IIT JEE 1987

The first ionisation potential in electron volts of nitrogen and oxygen atoms are respectively given by

A

14.6, 13.6

B

13.6, 14.6

C

13.6, 13.6

D

14.6, 14.6

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11

1987 · Chemistry · Inorganic Chemistry · Periodic Table And Periodicity

IIT JEE 1987

Atomic radii of fluorine and neon in Angstrom units are respectively given by

A

0.72, 1.60

B

1.60, 1.60

C

0.72, 0.72

D

None of these values

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12

1987 · Chemistry · Inorganic Chemistry · Periodic Table And Periodicity

IIT JEE 1987

The electronegativity of the following elements increases in the order

A

C, N, Si, P

B

N, Si, C, P

C

Si, P, C, N

D

P, Si, N, C

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13

1988 · Chemistry · Inorganic Chemistry · Periodic Table And Periodicity

IIT JEE 1988

The first ionisation potential of Na, Mg, Al and Si are in the order

A

Na < Mg > Al < Si

B

Na > Mg > Al > Si

C

Na < Mg < Al < Si

D

Na > Mg > Al < Si

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14

1988 · Chemistry · Inorganic Chemistry · Periodic Table And Periodicity

IIT JEE 1988

The statements that are true for the long form of the periodic table are:

A

it reflects the sequence of filling the electrons in the order of sub-energy level s, p, d and f

B

it helps to predict the stable valency states of the elements

C

it reflects trends in physical and chemical properties of the elements

D

it helps to predict the relative ionicity of the bond between any two elements

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15

1989 · Chemistry · Inorganic Chemistry · Periodic Table And Periodicity

IIT JEE 1989

Sodium sulphate is soluble in water whereas barium sulphate is sparingly soluble because

A

the hydration energy of sodium sulphate is more than its lattice energy

B

the lattice energy of barium sulphate is more than its hydration energy

C

the lattice energy has no role to play in solubility

D

the hydration energy of sodium sulphate is less than its lattice energy

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16

1989 · Chemistry · Inorganic Chemistry · Periodic Table And Periodicity

IIT JEE 1989

Which one of the following is the smallest in size?

A

N^3-

B

O^2-

C

F^-

D

Na⁺

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17

1989 · Chemistry · Inorganic Chemistry · Periodic Table And Periodicity

IIT JEE 1989

Which one of the following is the strongest base?

A

AsH₃

B

NH₃

C

PH₃

D

SbH₃

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18

1990 · Chemistry · Inorganic Chemistry · Periodic Table And Periodicity

IIT JEE 1990

Amongst the following elements (whose electronic configuration are given below), the one having the highest ionization energy is:

A

[Ne] 3s²3p¹

B

[Ne] 3s²3p³

C

[Ne] 3s²3p²

D

[Ne] 3d¹⁰4s²4p³

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19

1991 · Chemistry · Inorganic Chemistry · Periodic Table And Periodicity

IIT JEE 1991

Arrange of the following in :
Arrange the following ions in order of their increasing radii:
Li⁺, Mg²⁺, K⁺, Al³⁺

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20

1991 · Chemistry · Inorganic Chemistry · Periodic Table And Periodicity

IIT JEE 1991

Arrange of the following in :
Increasing order of ionic size:
N^3-, Na⁺, F^-, O^2-, Mg²⁺

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