MCQ
Incorrect statement


- ✓$A$ & $B$ are diastereoisomers with respect to each other
- B$A$ & $B$ are chain isomers
- C$S_N2$ rate $A > B$
- D$S_N1$ rate $A > B$

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| Period number | Group number | |
| $P$ | $2$ | $15$ |
| $Q$ | $3$ | $2$ |
Then formula of the compound formed by $P$ and $Q$ element is
$(A)$ $NF _3$ molecule has a trigonal planar structure.
$(B)$ Bond length of $N _2$ is shorter than $O _2$.
$(C)$ Isoelectronic molecules or ions have identical bond order.
$(D)$ Dipole moment of $H _2 S$ is higher than that of water molecule.
Choose the correct answer from the option below: