Among the following oxides of 3d elements the number of mixed oxides are Q. Among the following oxides of 3d […]
The mass of benzanilide obtained from the benzoylation reaction of aniline is Q. The mass of benzanilide obtained from the
Electrochemical cell oxygen evolution pH threshold JEE Main Q. Consider the following electrochemical cell : Pt | O2(g) (1 bar)
Elements electronegativity oxides nature and hydrolysis of BCl3 Q. Given below are two statements : Statement I : Elements ‘X’
A plus 2B gives AB2 limiting reagent and mass calculation Q. A + 2B → AB2 36.0 g of ‘A’
At T(K), 100 g of 98% H2SO4 aqueous solution is mixed with 100 g of 49% H2SO4 aqueous solution Q.
The first ionization enthalpy of Cr is lower than that of Mn and second and third ionization enthalpies of Cr
The energy of first (lowest) Balmer line of H atom is x J. The energy (in J) of second Balmer
When 1 g of compound (X) is subjected to Kjeldahl’s method for estimation of nitrogen, 15 mL 1 M H2SO4
Which of the following mixture gives a buffer solution with pH = 9.25 ? Q. Which of the following mixture