MCQ
Which one is polar
- A$I_3^{-1}$
- B$CO_3^{-2}$
- C$XeF_4$
- ✓$PH_3$
✓
Answer
Correct option: D.
$PH_3$
d
$PH_3$ is pyramidal with one $L.P$.
$PH_3$ is pyramidal with one $L.P$.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The enthalpy of combustion of benzene from the following data will be
→$(i)$ $6C(s) + 3{H_2}(g) \to {C_6}{H_6}(l);\,\Delta H = + 45.9\,kJ$
$(ii)$ ${H_2}(g) + \frac{1}{2}{O_2}(g) \to {H_2}O(l);\,\Delta H = - 285.9\,kJ$
$(iii)$ $C(s) + {O_2}(g) \to C{O_2}(g);\,\Delta H = - 393.5\,kJ$
........$kJ$
$1\, gram$ equivalent of substance present in
→Total number of secondary amines (Excluding stereo isomer) possible with the molecular formula $C_5H_{13}N$ is
→Electron occupies the available orbital singly before pairing in any one orbital occurs, it is
In the following reaction, $\begin{matrix}\text{H}_2\text{O}(\text{l})&+&\text{H}_2\text{O}(\text{l})&\rightleftharpoons&\text{H}_3\text{O}^+(\text{aq})&+&\text{OH}^-(\text{aq})\\\text{Acid}&&\text{ X}&&\text{Conjugate Acid}&&\text{Y}\end{matrix}$ X and Y respectively are:
→If gas, at constant temperature and pressure expands then its
Product $(A)$ in this reaction is
→Assign $A, B, C, D$ from given type of reaction.
$CuO + {H_2} \longrightarrow Cu \downarrow + {H_2}O$
→$IUPAC$ name of $C{H_3} - CH = CH - C \equiv CH$ is
→Which of the following pair of species is not iso-structural?