MCQ
The number of orbitals in $2p$ sub-shell is
  • A
    $6$
  • B
    $2$
  • $3$
  • D
    $4$

Answer

Correct option: C.
$3$
c
(c) It has $3$  orbitals ${p_x},\,{p_y},\,{p_z}$.

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

Choose the chain terminating step

(1)${H_2} \to {H^ \bullet } + {H^ \bullet }$

(2)$B{r_2} \to B{r^ \bullet } + B{r^ \bullet }$

(3)$B{r^ \bullet } + HBr \to {H^ \bullet } + B{r_2}$

(4)${H^ \bullet } + B{r_2} \to HBr + B{r^ \bullet }$

(5)$B{r^ \bullet } + B{r^ \bullet } \to B{r_2}$

The correct $IUPAC$ name of compound :

$\begin{array}{*{20}{c}}
  {C{H_3} - C{H_2} - C - CH - CHO} \\ 
  {\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,O\,\,\,\,\,\,\,CN} 
\end{array}$

is :

$P$ and $Q$ are isomers of dicarboxylic acid $C _4 H _4 O _4$. Both decolorize $Br _2 / H _2 O$. On heating, $P$ forms the cyclic anhydride.

Upon treatment with dilute alkaline $KMnO _4, P$ as well as $Q$ could produce one or more than one from $S , T$ and $U$.$Image$

$1.$ Compounds formed form $P$ and $Q$ are, respectively

$(A)$ Optically active $S$ and optically active pair $(T, U)$

$(B)$ Optically inactive $S$ and optically inactive pair $(T, U)$

$(C)$ Optically active pair $(T, U)$ and optically active $S$

$(D)$ Optically inactive pair $(T, U)$ and optically inactive $S$

$2.$ In the following reaction sequences $V$ and $W$ are respectively :$Image$

mcq $Image$

Give the answer question $1$ and $2.$

Octane number has $0$ value for
Which one does not exhibit paramagnetism
The correct sequence which shows decreasing order of the ionic radii of the elements is
The $K_{sp}$ of $Ag_2CrO_4, AgCl, AgBr$ and $AgI$ are respectively, $1.1 \times 10^{-12}, 1.8 \times 10^{-10},$$ 5.0 \times 10^{-13}, 8.3 \times 10^{-17}.$ Which one of the following salts will precipitate last if $AgNO_3$ solution is added to the solution containing equal moles of $NaCl, NaBr, NaI$ and $Na_2CrO_4$ ?
If $Ag^+ + NH_3 \rightleftharpoons  [Ag(NH_3)]^+$ ;

$K_1 = 1.6 \times 10^3$ and

$[Ag(NH_3)]^+ + NH_3 \rightleftharpoons  [Ag(NH_3)_2]^+$ ;

$K_2 = 6.8 \times 10^3$ .

Then formation constant of $[Ag(NH_3)_2]^+$ is :

Assign $A, B, C, D$ from given type of reaction. $CuS{O_4}\left( {aq.} \right) + Zn\left( s \right) \longrightarrow ZnS{O_4} + Cu \downarrow $
Which statement is wrong