What is optical activity ?

Optically active 2 - iodobutane on treatment with Nal in acetone gives a product which does not show optical activity. Explain.

Methyl ethyl propyl amine forms non-superimposable mirror images but it does not show optical activity because:

Optical isomerism is a kind of streoisomerism in which isomers differ in their behaviour towards plane polarised light, What is the cause of optical activity in organic compounds?

2-bromo butane exhibit optical isomerism. What is optical isomeism ?

The minimum number of carbon atoms, an alkane should contain in order to exhibit optical activity is :

S_N^1 reaction takes placed in two steps. The relative reactivity of an alkyl halide in S_N^1 reaction depends on the relative stability of carbocations formed by ionisation. What will happen to the optical activity of a dextro rotatory isomer of alkyl halide if it undergoes hydrolysis by S_N^1 mechanism ?

2-Butanol is optically active because it contains

An optically active alcohol (A)[C₆H₁₀O] absorbs two moles of hydrogen per mole of (A) upon catalytic hydrogenation and gives a product (B). The compound (B) is resistant to oxidation by CrO₃ and does not show any optical áctivity. Deduce the structures of A and B

Which of the following is optically inactive?

Which of the following compounds is optically inactive?