Which of the following is chiral?
Cell phone
Spiral staircase
Scissor
All of these
What is stereoisomerism ? Which are its types ?
Which is correctly matched ?
How many stereoisomers possible for
Which of the following cyclopentane derivative is optically inactive ?
The Fischer projection of $D$-erythrose is shown below.
(image)
$D$-Erythrose and its isomers are listed as $P , Q , R$, and $S$ in Column-$I$. Choose the correct relationship of $P , Q , R$, and $S$ with D-erythrose from Column $II$.
(image)