Choose the correct option(s) for the following reaction sequence
Consider Q, R and S as major products.
A
B
C
D
2
JEE Advanced 2019 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-1
Choose the correct option(s) that give(s) an aromatic compound as the major product.
A
B
C
D
3
JEE Advanced 2019 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-1
The ground state energy of hydrogen atom is $$-$$13.6 eV. Consider an electronic state $$\psi $$ of He+ whose energy, azimuthal quantum number and magnetic quantum number are $$-$$3.4 eV, 2 and 0, respectively.
Which of the following statement(s) is(are) true for the state $$\psi $$?
A
It is a 4d state
B
The nuclear charge experienced by the electron in this state is less than 2e, where e is the magnitude of the electronic charge
C
It has 2 angular nodes
D
It has 3 radial nodes
4
JEE Advanced 2019 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-1
Consider the following reactions (unbalanced).
$$Zn + Hot\,conc.\,{H_2}S{O_4}\mathrel{\mathop{\kern0pt\longrightarrow}
\limits_{}} G + R + X$$
$$Zn + conc.\,NaOH\mathrel{\mathop{\kern0pt\longrightarrow}
\limits_{}} T + Q$$
