(+) 2-Methylbutan-1-ol and (-) 2- Methylbutan-1-ol have different values for which property?

How many isomers of \(\mathrm{C}_4 \mathrm{H}_{41} \mathrm{~N}\) are tertiary amines?

Which among the following oxides is amphoteric in nature?

What is the product formed when bauxite ore is treated with sodium hydroxide?

Which among the following is a heaviest isotope of water?

Identify the reagent used in the following reaction.
Benzoic acid \(\xrightarrow{\text { Reagent }}\) Benzoyl chloride + Phosphorus oxychloride + Hydrogen chloride

The IUPAC name of following compound is

Just before fertilization, the angiosperm's embryo sac contains _______ and ______ nuclei.

How many molecules of reduced coenzymes are formed during aerobic respiration of one glucose molecule?

One card is drawn at random from a pack of playing cards the probability that it is an ace or black king or the queen of the heart will be

If \(\overline{\mathrm{a}}, \overline{\mathrm{b}}, \overline{\mathrm{c}}\) are non-coplanar vectors and \(\overline{\mathrm{p}}=\frac{\overline{\mathrm{b}} \times \overline{\mathrm{c}}}{[\overline{\mathrm{a}} \overline{\mathrm{b}} \overline{\mathrm{c}}]}, \overline{\mathrm{q}}=\frac{\overline{\mathrm{c}} \times \overline{\mathrm{a}}}{[\overline{\mathrm{a}} \overline{\mathrm{b}} \overline{\mathrm{c}}]}, \overline{\mathrm{r}}=\frac{\overline{\mathrm{a}} \times \overline{\mathrm{b}}}{[\overline{\mathrm{a}} \overline{\mathrm{b}} \overline{\mathrm{c}}]}, \quad\) then \(2 \overline{\mathrm{a}} \cdot \overline{\mathrm{p}}+\overline{\mathrm{b}} \cdot \overline{\mathrm{q}}+\overline{\mathrm{c}} \cdot \overline{\mathrm{r}}=\)

Which among the following compounds has highest melting point?

If \(\sin \mathrm{A}+\sin \mathrm{B}=x\) and \(\cos \mathrm{A}+\cos \mathrm{B}=\mathrm{y}\), then \(\sin (\mathrm{A}+\mathrm{B})=\)