MCQ
Write the $IUPAC$ name of the following structure $(E)$
- A$2-$ Ethyl $-3-$ Ethoxy carbonyl propanoic acid
- B$2-$ Ethyl $-2-$ Ethoxy carbonyl ethanoic acid
- C$2-$ Methoxy carbonyl butanoic acid
- ✓$2-$ Ethoxy carbonyl butanoic acid
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$(A)\, CH_3 - CH_2 - C \equiv C^-$ $(B) \,CH_3 -CH_2 - S^-$
$(C) \,CH_3 - CH_2 - CO^-_2$ $(D)\, CH_3 -CH_2 - O^-$
(Given $\ln 10=2.3, R =8.3 JK ^{-1} mol ^{-1}, \log 2=0.30$ )
$(a)$ Electron density in the $XY$ plane in $3d_x^2 - 3d_y^2$ orbital is zero
$(b)$ Electron density in the $XY$ plane in $3d_z^2$ orbital is zero
$(c)$ $2s$ orbital has one nodal surface
$(d)$ For $2pz$ orbital $YZ$ is the nodal plane.
Specify True or False.