MCQ
Secondary nitro compounds when react with $HN{O_2}$ forms crystalline solids which one on treatment with $NaOH $ gives
- ARed solution
- ✓Blue solution
- CWhite precipitate
- DYellow colouration
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$C_2H_4(g) + H_2(g) \to C_2H_6(g)$
.......$kJ$
| Bond | Bond energy $(kJ)$ |
| $C-H$ |
$413$ |
| $C-C$ | $348$ |
| $C=C$ | $610$ |
| $H-H$ | $436$ |
$(A)$ The principal quantum number $'n'$ is a positive integer with values of $'n'=1,2,3, \ldots$.
$(B)$ The azimuthal quantum number $'l'$ for a given $'n'$ (principal quantum number) can have values as $'l'=0,1,2, \ldots n$
$(C)$ Magnetic orbital quantum number $'m _{l}'$ for a particular $'l'$ (azimuthal quantum number) has $(2 l$ + 1) values.
$(D)$ $\pm 1 / 2$ are the two possible orientations of electron spin.
$(E)$ For $l=5$, there will be a total of $9$ orbital.
Which of the above statements are correct?
