HSC Science कक्षा ११ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Chemistry

Which of the following species does not acts as a nucleophile?

The geometrical shape of carbocation is ______.

Write a short note on resonance.

Write a short note on hyperconjucation.

What is electrophiles? Give a suitable example.

What is nucleophiles? Give a suitable example.

Show the heterolysis of a covalent bond by using curved arrow notation and complete the following equation. Identify the nucelophile.

CH₃ – Br + KOH →

Show the heterolysis of a covalent bond by using curved arrow notation and complete the following equation. Identify the nucelophile.

\[\ce{CH3 – O – CH3 + HI →}\]

Explain inductive effect with suitable example.

Explain the electromeric effect.

Give example for the following type of organic reaction.

β - elimination

The correct statement regarding the comparison of staggered and eclipsed conformations of ethane, is ______.

The C – H bond and C – C bond in ethane are formed by which of the following types of overlap.

The major product formed when 2 – bromo – 2 – methyl butane is refluxed with ethanolic KOH is ______.

In which of the following molecules, all atoms are co-planar

The IUPAC name of is

Arrange the following compounds in increasing order of their density

1. CCl₄
2. CHCl₃
3. CH₂Cl₂
4. CH₃Cl

In the reaction . X is _______.

\[\ce{acetone ->[i) CH3MgI][ii) H2O/H^{-1}]}\]X, X is ______.

Write a balanced equation for the reaction between KO₂ and water.