HSC Science कक्षा १२ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Chemistry

Write the IUPAC name for the following complex.

\[\ce{[Ag(CN)2]^-}\]

Write the IUPAC name for the following complex.

\[\ce{[Co(en)3]2 (SO4)3}\]

Write the IUPAC name for the following complex.

\[\ce{[Co(ONO) (NH3)5]^2+}\]

Write the IUPAC name for the following complex.

\[\ce{[Pt(NH3)2 Cl(NO2)]}\]

Write the formula for the following coordination compound.

potassiumhexacyanidoferrate (II)

Write the formula for the following coordination compound.

pentacarbonyl iron (0)

Write the formula for the following coordination compound.

pentaamminenitrito-κNcobalt (III) ion

Write the formula for the following coordination compound.

hexaamminecobalt (III) sulphate

Write the formula for the following coordination compound.

sodiumtetrafluoridodihydroxidochromate (III)

In a solid atom M occupies ccp lattice and `(1/3)` of tetrahedral voids are occupied by atom N. find the formula of solid formed by M and N.

A solid compound XY has NaCl structure. if the radius of the cation is 100 pm, the radius of the anion will be

The yellow colour in NaCl crystal is due to ____________.

Why ionic crystals are hard and brittle?

Following solutions were prepared by mixing different volumes of NaOH of HCl different concentrations.

i. 60 mL `"M"/10` HCl + 40 mL `"M"/10` NaOH

ii. 55 mL `"M"/10` HCl + 45 mL `"M"/10` NaOH

iii. 75 mL `"M"/5` HCl + 25 mL `"M"/5` NaOH

iv. 100 mL `"M"/10` HCl + 100 mL `"M"/10` NaOH

pH of which one of them will be equal to 1?

pH of a saturated solution of Ca(OH)₂ is 9. The Solubility product (K_sp) of Ca(OH)₂

The aqueous solutions of sodium formate, anilinium chloride and potassium cyanide are respectively.

The percentage of pyridine (C₅H₅N) that forms pyridinium ion (C₅H₅NH) in a 0.10 M aqueous pyridine solution (K_b for C₅H₅N = 1.7 × 10⁻⁹) is ____________.

Equal volumes of three acid solutions of pH 1, 2 and 3 are mixed in a vessel. What will be the H⁺ ion concentration in the mixture?

What is the pH of the resulting solution when equal volumes of 0.1 M NaOH and 0.01 M HCl are mixed?

The pH of 10⁻⁵ M KOH solution will be ____________.