Science (English Medium) कक्षा १२ - CBSE Question Bank Solutions for Chemistry

Write the structure of the following organic halogen compound.

4-tert-Butyl-3-iodoheptane

Write the structure of the following organic halogen compound.

4-tert-Butyl-3-iodoheptane

What is the basicity of \[\ce{H3PO4}\]?

Write the structure of the following organic halogen compound:

4-tert-Butyl-3-iodoheptane

Name the following halides according to the IUPAC system and classify them as alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl or aryl halide:

 \[\ce{CH3 C(C2H5)2CH2Br}\]

Write the structure of the following organic halogen compound.

4-tert-Butyl-3-iodoheptane

Write the structure of the following organic halogen compound.

4-tert-Butyl-3-iodoheptane

Calculate the half-life of a first order reaction from the rate constant given below:

2 min⁻¹

Calculate the half-life of a first order reaction from the rate constant given below:

4 year⁻¹

A first order reaction takes 40 min for 30% decomposition. Calculate t_1/2.

Give a simple chemical test to distinguish between the following pair of compounds:

Ethanal and Propanal

Write the structure of an isomer of compound C₄H₉Br which is most reactive towards S_N1 reaction

In non-ideal solution, what type of deviation shows the formation of maximum boiling azeotropes?

Write the major products(s) in the following:

Distinguish between:

C₆H₅-COCH₃ and C₆H₅-CHO

Distinguish between: CH3COOH and HCOOH

A and B are two functional isomers of compound C₃H₆O.On heating with NaOH and I₂, isomer B forms yellow precipitate of iodoform whereas isomer A does not form any precipitate. Write the formulae of A and B.

What is the formula of a compound in which the element Y forms hcp lattice and atoms of X occupy 2/3^rd of tetrahedral voids?

Which would undergo S_N1 reaction faster in the following pair and why?

State Raoult’s law for the solution containing volatile components