MCQ
In the above reaction, maximum Saytzeff product will obtained when


- ✓$X = -I$
- B$X = -Cl$
- C$X = -Br$
- DNone of these


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$(V=33\, volt)$ $(m_p = 1.672 \times 10^{-27} \,kg)$
$(A)$ Uncertainty principle rules out the existence of definite paths for electrons.
$(B)$ The energy of an electron in $2 s$ orbital of an atom is lower than the energy of an electron that is infinitely far away from the nucleus.
$(C)$ According to Bohr's model, the most negative energy value for an electron is given by $n=1$, which corresponds to the most stable orbit.
$(D)$ According to Bohr's model, the magnitude of velocity of electrons increases with increase in values of $n$.