HSC Science Class 12 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Chemistry

Derive integrated rate law for a zero-order reaction \[\ce{A -> Product}\].

Explain the common ion effect with an example.

Give three uses of emulsions.

In the following reaction,

\[\ce{HC ≡ CH ->[H2SO4][HgSO4] X}\]

Product ‘X’ will not give

Which one of the following reduces tollens reagent.

The reagent used to distinguish between acetaldehyde and benzaldehyde is ____________.

A carbonyl compound A having molecular formula C₅H₁₀O forms crystalline precipitate with sodium bisulphate and gives positive iodoform test. A does not reduce Fehling's solution. Identify A.

Insulin, a hormone chemically is ___________.

Give two differences between Hormones and vitamins.

What are hormones? Give examples.

Write the Zwitter ion structure of alanine.

A complex in which the oxidation number of the metal is zero is ____________.

Schottky defect in a crystal is observed when

The cation leaves its normal position in the crystal and moves to some interstitial position, the defect in the crystal is known as ____________.

Assertion: due to Frenkel defect, density of the crystalline solid decreases.

Reason: in Frenkel defect cation and anion leaves the crystal.

The crystal with a metal deficiency defect is ____________.

What are point defects?

Explain the Schottky defect.

Write short note on metal excess and metal deficiency defect with an example.

Write a note on Frenkel defect.