Incorrect order of size - Vidyadip

MCQ

Incorrect order of size

A
$Zn > Cu > Ni$
B
$O^{-2} > F^-> Na^+$
✓
$O^{-2} > Cl^-> S^{-2}$
D
$I^-> Br^-> Cl^-$

✓

Answer

Correct option: C.

$O^{-2} > Cl^-> S^{-2}$

c

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

Explore more

More "M.C.Q (1 Marks)" from 3. Classification of elements and periodicity in properties→3. Classification of elements and periodicity in properties — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

The standard gibbs energy change for the reaction ${H_2}O \rightleftharpoons {H^ + } + O{H^ - }$ at $25\,^oC$ is.....$ kJ$

Select the structure with correct numbering for $IUPAC$ name of the compound

The correct decreasing order of energy, for the orbitals having, following set of quantum numbers.

$(A)$ $n=3,1=0, m=0$

$(B)$ $n=4,1=0, m=0$

$(C)$ $n =3,1=1, m =0$

$(D)$ $n=3,1=2, m=1$

Two students performed the same experiment separately and each one of them recorded two readings of mass which are given below. Correct reading of mass is $3.0g$. On the basis of given data, mark the correct option out of the following statements.

Student	Readings
	$(i)$	$(ii)$
$A$	$3.01$	$2.99$
$B$	$3.05$	$2.95$

After a chemical reaction, the total mass of reactants and products

Combustion of $50\,mL$ methane is carried out with $150\,mL$ of air containing $21\%$ of oxygen. What will be the total volume of gaseous mixture after reaction ? ............ $\mathrm{mL}$

$C{H_{4(g)}} + 2{O_{2(g)}} \to C{O_{2(g)}} + 2{H_2}{O_{(g)}}$

Oxidation number of fluorine in $F _2 O$ is :

$\mathrm{A}_{(\mathrm{g})} \rightleftharpoons \mathrm{B}_{(\mathrm{g})}+\frac{\mathrm{C}}{2}(\mathrm{~g}) \quad$ The correct relationship between $K_P, \alpha$ and equilibrium pressure $P$ is

Which one is buffer solution

The number of electrons in nickel atom having $m = 0$ will be