Classification of Element Quiz-4

Question 1

In which of the following options order of arrangement does not agree with the variation of property indicated against it?

Accepted Answer

B < C < N < O (increasing first ionization enthalpy)

Answer

$Al^{3+}< Mg^{2+} < Na^+ < F^-$ (increasing ionic size)

Answer

I < Br < F < Cl (increasing electron gain enthalpy)

Answer

Li < Na < K < Rb (increasing metallic radius)

Question 2

Which one of the following orders presents the correct sequence of the increasing basic nature of the given oxides?

Accepted Answer

$Al_2O_3 < MgO < Na_2O < K_2O$

Answer

$MgO < K_2O < Al_2O_3 < Na_2O$

Answer

$Na_2O < K_2O < Mgo < Al_2O_3$

Answer

$K_2O < Na_2O < Al_2O_3 < MgO$

Question 3

Which of the following sets has strongest tendency to forms anions?

Accepted Answer

N, O, F

Answer

Ga, In, TI

Answer

Na, Mg, Al

Answer

V, Cr, Mn

Question 4

The order of decreasing polarity in the compounds CaO, CsF, KCl, and MgO is

Accepted Answer

CsF > KCl > CaO > MgO

Answer

MgO > CaO > KCl > CsF

Answer

MgO > KCl > CaO > CsF

Answer

KCl > CaO > CsF > MgO

Question 5

To which block of the periodic table does the element with atomic number 56 belong?

Accepted Answer

s block

Answer

p block

Answer

d block

Answer

f block

Game Settings