MCQ_SINGLE

Given below are two statements: Statement I: Arginine and Tryptophan are essential amino acids. Statement II: Glycine does not have any chiral carbon.

MCQ_SINGLE

Consider a first order reaction: $A\to \text{products}$ . 3 different solutions are taken rate of reaction : Solution 1: $100mL~10M~'A' - r_{1}$ ; Solution 2: $200mL~10M~'A' - r_{2}$ ; Solution 3: $100mL~10M~'A' + 100ml~\text{water} - r_{3}$ . The correct order of the rates of reactions is :

NUMERICAL

Benzene undergoes the following sequence of reactions (see figure). Find the percentage of nitrogen in compound (E).

MCQ_SINGLE

Consider the following statements: (A) Propanal and propanone are functional isomers; (B) Ethoxyethane and methoxypropane are metamers; (C) But-2-ene shows optical isomerism; (D) But-1-ene and but-2-ene are functional isomers; (E) Pentane and 2,2-dimethylpropane are chain isomers. The correct statements are:

NUMERICAL

Find the energy to excite electron from first Bohr orbit of hydrogen atom to 2nd Bohr's orbit. (in $eV$) .

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