Select incorrect statement - Vidyadip

MCQ

Select incorrect statement

A
$O_3$ and $O_2^{2 - }$ both are diamagnetic
B
Out of $O_2, O_2^+$ and $O_3$, least $O-O$ bond length is in $O_2^+$
✓
Out of $O_2, O_2^+$ and $O_2^-$ only $O_2$ is paramagnetic
D
Out of $O_2, O_2^+$ and $O_2^-$, maximum spin magnetic moment is of $O_2$

✓

Answer

Correct option: C.

Out of $O_2, O_2^+$ and $O_2^-$ only $O_2$ is paramagnetic

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

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

The $p^H$ of a solution obtained by mixing $10\ ml$ of $0.1\ M$ $HCl$ and $40\ ml$ of $0.2\ M$ $H_2SO_4$ is (Given $log 17=$ $1.23$, $log 5=$ $0.7$, $log 10=$ $1$)

For a certain reaction, the rate $=k[A]^2[B]$. When the initial concentration of A is doubled and initial concentration of B is tripled, the initial rate would:

According to Raoult's law the relative lowering of vapour pressure of a solution of volatile substance is equal to

How many carbon atoms does an alkane (not a cycloalkane) need before it is capable to exist in enantiomeric form ?

The free energy change for the following reactions are given below,${C_2}{H_2}(g) + \frac{5}{2}{O_2}(g)\, \to $$2C{O_2}(g) + {H_2}O(l);\,\Delta {G^o} = - 1234\,kJ$ $C(s) + {O_2}(g)\, \to C{O_2}(g)\,\,\Delta {G^o} = - 394\,kJ$${H_2}(g) + \frac{1}{2}{O_2}(g)\, \to \,{H_2}O(l)\,\,\,\Delta {G^o} = - 237\,kJ$

What is the standard free energy change for the reaction ${H_2}(g) + 2\,C\,(s) \to {C_2}{H_2}(g)$ .....$kJ$

In order to prepare a buffer solution of $pH\, 5.74$ sodium acetate is added to acetic acid. If the concentration of acetic acid in the buffer is $1.0$ $M$, the concentration of sodium acetate in the buffer is ......... $M$. (Round off to the Nearest Integer).

[Given : $pKa$ (acetic acid) $=4.74$ ]

A $0.1\,molal$ aqueous solution of a weak acid HX is $30\%$ ionized. If $K_f$ for water is $1.86\,^o \,C/m,$ the freezing point of the solution will be .........$^oC$.

Which of following salt does not give borax bead test

Which of the following is different from other three oxides?

In which of the following pairs first one is having more resonance energy than the second one