Among the following, the total number of terpenes (terpenoids) is ________.
Among the following, the anti-aromatic compound(s) is (are)
The products P and Q formed in the reaction are
The compound(s), which give(s) benzoic acid on oxidation with KMnO$_4$, is (are)
Half-life ($t_{1/2}$) of a chemical reaction varies with the initial concentration of reactant ($A_0$) as given below: The order of the reaction is
Monochromatic X-rays having energy $2.8 \times 10^{-15}$ J diffracted (first order) from (200) plane of a cubic crystal at an angle 8.5°. The length of unit cell in of the crystal (rounded off to one decimal place) is (Given:} Planck’s constant, $h = 6.626 \times 10^{-34}$ J·s; $c = 3.0 \times 10^8$ m/s{)
In the following reaction, compound Q is
The major product formed in the following reaction is
The reaction that produces the following as a major product is
The major products E and F formed in the following reactions are
The products P, Q, R and S formed in the following reactions are
The major product formed in the following reaction sequence is
The CORRECT combination for metalloenzymes given in Column I with their catalytic reactions in Column II is
A compound shows $^1$H NMR peaks at $\delta$-values (in ppm) 7.31 (2H), 7.21 (2H), 4.5 (2H) and 2.3 (3H). The structure of the compound is