Synthesis of each molecule of glucose in photosynthesis involves :

The solubility product of \(PbI _{2}\) is \(8.0 \times 10^{-9} .\) The solubility of lead iodide in \(0.1\) molar solution of lead nitrate is \(x \times 10^{-6} \,mol / L\). The value of \(x\) is ....... .(Rounded off to the nearest integer) \([\) Given \(: \sqrt{2}=1.41]\)

An example of a disproportionation reaction is

The correct order of the spin only magnetic moment of metal ions in the following low spin complexes, \({\left[ {V\,{{\left( {CN} \right)}_6}} \right]^{4 - }}\) , \({\left[ {Fe\,{{\left( {CN} \right)}_6}} \right]^{4 - }}\) , \({\left[ {Ru\,{{\left( {N{H_3}} \right)}_6}} \right]^{3 + }}\) , and \({\left[ {Cr\,{{\left( {N{H_3}} \right)}_6}} \right]^{2 + }}\) , is

Compound \(A\) used as a strong oxidizing agent is amphoteric in nature. It is the part of lead storage batteries. Compound \(A\) is

The hydrogen electrode is dipped in a solution of \(\mathrm{pH}=3\) at \(25^{\circ} \mathrm{C}\). The potential of the electrode will be_________ \(\times 10^{-2} \mathrm{~V}\).\(\left(\frac{2.303 \mathrm{RT}}{\mathrm{F}}=0.059 \mathrm{~V}\right)\)

Among \(\mathrm{CrO}, \mathrm{Cr}_2 \mathrm{O}_3\) and \(\mathrm{CrO}_3\), the sum of spin-only magnetic moment values of basic and amphoteric oxides is _______ \(10^{-2} \mathrm{BM}\) (nearest integer). (Given atomic number of \(\mathrm{Cr}\) is 24 )

Let \(0 < \alpha < 1\), \(\beta = \dfrac{1}{3\alpha}\) and \(\tan^{-1}(1-\alpha) + \tan^{-1}(1-\beta) = \dfrac{\pi}{4}\). Then \(6(\alpha + \beta)\) is equal to:

Given below are two statements:
Statement I: The correct order of electronegativity of fluorine, oxygen and nitrogen is \(F > O > N\).
Statement II: The oxidation state of oxygen in OF\(_2\) is \(+2\) and in Na\(_2\)O is \(-2\).
In the light of the above statements, choose the correct answer from the options given below

Let \(P \left( x _0, y _0\right)\) be the point on the hyperbola \(3 x ^2-4 y ^2\) \(=36\), which is nearest to the line \(3 x+2 y=1\). Then \(\sqrt{2}\left( y _0- x _0\right)\) is equal to :

A mixture of carbon dioxide and oxygen has volume \(8310\) cm\(^3\), temperature \(300\) K, pressure \(100\) kPa and mass \(13.2\) g. The number of moles of carbon dioxide and oxygen gases in the mixture respectively are _______.
(Assume both carbon dioxide and oxygen gases behave like ideal gases) \([R = 8.31\) J/mol.K\(]\)

\(1\) mole of \(\mathrm{PbS}\) is oxidised by " \(\mathrm{X}\) " moles of \(\mathrm{O}_3\) to get \("Y"\) moles of \(\mathrm{O}_2 \cdot \mathrm{X}+\mathrm{Y}=\)__________.

Find out the statements which are not true.
A. Resonating structure with more number of covalent bonds and lesser charge separation are more stable.
B. In electromeric effect, an unsaturated system shows + E effect with nucleophile and - E effect with electrophile.
C. Inductive effect is responsible for high melting point, boiling point and dipole moment of polar compounds.
D. The greater the number of alkyl groups attached to the doubly bonded carbon atoms, higher is the heat of hydrogenation.
E. Stability of carbanion increases with the increase in s-character of the carbon carrying the negative charge.
Choose the correct answer from the options given below.