MCQ
In which of the following arrangement the order is not according to the property indicated in bracket
  • A
    $Al^{+3} < Mg^{+2} < Na^+ < F^-$ (Ionic size)
  • $B < C < N < O\, (1^{st} IP)$
  • C
    $I < Br < F < Cl\, (EA)$
  • D
    $Li < Na < K < Rb$ (Metallic character)

Answer

Correct option: B.
$B < C < N < O\, (1^{st} IP)$
b

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Which of the following statement is not correct
The heat of solution of anhydrous $\mathrm{CuSO}_4$ and $\mathrm{CuSO}_4 \cdot 5 \mathrm{H}_2 \mathrm{O}$ are $-70 \mathrm{~kJ} \mathrm{~mol}^{-1}$ and $+12 \mathrm{~kJ} \mathrm{~mol}^{-1}$ respectively.

The heat of hydration of $\mathrm{CuSO}_4$ to $\mathrm{CuSO}_4 \cdot 5 \mathrm{H}_2 \mathrm{O}$ is $-\mathrm{xkJ}$. The value of $\mathrm{x}$ is. . . . . . . 

$2-$ Bromobutane on heating with alcoholic $KOH$ forms
Arrange the above in the decreasing order of reactivity towards $HBr$
Find the value $\Delta H_f^o[NH_3(g)]$  if $\Delta H_r$  for the following reaction is $-\,183.6\,\,kJ$  per mole of  $N_2(g)$ 

$\frac{1}{2}\,{N_2}(g)\,\, + \,\,\frac{3}{2}{H_2}(g)\, \to \,N{H_3}(g)$ ......$kJ/mol$

The number and type of bonds in $C_2^{2 - }$ ion in $CaC_2$ are
Given are two statements one is labelled as Assertion $A$ and other is labelled as Reason $R$.

Assertion $A$ :Magnesium can reduce $Al _{2} O _{3}$ at a temperature below $1350^{\circ} C$, while above $1350^{\circ} C$ aluminium can reduce $MgO$.

Reason $R$ : The melting and boiling points of magnesium are lower than those of aluminium.

In light of the above statements. choose most appropriate answer from the options given below

The relative atomic mass of naturally occurring chlorine is not a whole number. What is the reason for this ?
Which alkyne will give $3$ -ethylhexane on catalytic hydrogenation ?
Which of the following elements will have the lowest electron affinity