Identify the catalyst (A) used in following reaction.

Which of the following principal of green chemistry suggests use of chemicals made from plant based sources?

Identify reductant in following reaction.
\( \mathrm{C}_2 \mathrm{O}_4^{2-}+\mathrm{MnO}_4^{-}+\mathrm{H}^{+} \longrightarrow \mathrm{Mn}^{2+}+\mathrm{CO}_2\) \(+~\mathrm{H}_2 \mathrm{O} \)

Identify the product ' B ' in the following sequence of reactions.
Propanone \(\xrightarrow{\mathrm{Ba}(\mathrm{OH})_2} \mathrm{~A} \xrightarrow[-\mathrm{H}_2 \mathrm{O}]{\Delta} \mathrm{B}\)

What are the formulae of the compounds formed when lanthanoids (Ln) react with nitrogen and halogen respectively?

Which from following polymers is obtained by addition polymerisation method?

The compound which is NOT formed when a mixture of n-butyl bromide and ethyl bromide treated with sodium metal in presence of dry ether is

Let \(\quad \overline{\mathrm{a}}=\alpha \hat{\mathrm{i}}+3 \hat{\mathrm{j}}-\hat{\mathrm{k}}, \quad \overline{\mathrm{b}}=3 \hat{\mathrm{i}}-\beta \hat{\mathrm{j}}+4 \hat{\mathrm{k}} \quad\) and \(\overline{\mathrm{c}}=\hat{\mathrm{i}}+2 \hat{\mathrm{j}}-2 \hat{\mathrm{k}}\), where \(\alpha, \beta \in \mathbb{R}\), be three vectors. If the projection at \(\overline{\mathrm{a}}\) on \(\overline{\mathrm{c}}\) is \(\frac{10}{3}\) and \(\overline{\mathrm{b}} \times \overline{\mathrm{c}}=-6 \hat{\mathrm{i}}+10 \hat{\mathrm{j}}+7 \hat{\mathrm{k}}\), then the value of \(\alpha^2+\beta^2-\alpha \beta\) is equal to

The given circuit has two ideal diodes \(D_1\) and \(D_2\) connected as shown in the figure. The current flowing through the resistance \(R_1\) will be

The valuc of \(f(4)-f(3)\) is

Which among the following statements is true for conductivity?

Which from following is a formula of sodium hexafluoroaluminate(III)?

Which of the following equation does not represent a pair of lines?