Enantiomers versus diastereomers of drawn pairs

14 questions on Enantiomers versus diastereomers of drawn pairs from the Stereoisomerism chapter: 3 NEET level, 7 JEE Main, 4 JEE Advanced. Each one opens with its answer and solution.

• The two structures shown (left and right) are stereoisomers of 2,3-dibromobutane. They are related as NEET level, drawn structure
• The two structures shown (left and right) are stereoisomers of 2,3-dibromobutane. They are related as NEET level, drawn structure
• The two structures shown (left and right) are butan-2-ol drawn with opposite wedge patterns at C2. They are related as NEET level, drawn structure
• The two structures shown (left and right) are 3-chlorobutan-2-ol drawn in two different orientations. They are related as JEE Main level, drawn structure
• The two structures shown (left and right) are stereoisomers of tartaric acid. They are related as JEE Main level, drawn structure
• The two structures shown (left and right) are stereoisomers of 4-bromopent-2-ene, CH3-CH=CH-CHBr-CH3. They are related as JEE Main level, drawn structure
• The two structures shown (left and right) are stereoisomers of 2-bromo-3-chlorobutane, CH3-CHBr-CHCl-CH3. They are related as JEE Main level, drawn structure
• The compound shown is X, a stereoisomer of 3-chlorobutan-2-ol. Which of the structures (A) to (D) shown with the options are diastereomers of X? JEE Main level, drawn structure
• The compound shown is one stereoisomer (X) of 3-chlorobutan-2-ol. Counting all configurational stereoisomers of this constitution, how many of them are diastere... JEE Main level, drawn structure
• The compound shown is one stereoisomer (X) of 3-chlorohex-4-en-2-ol, CH3-CH(OH)-CHCl-CH=CH-CH3. Counting all configurational stereoisomers (geometrical and opti... JEE Advanced level, drawn structure
• The two structures shown (left and right) are stereoisomers of 2,3,4-trichloropentane. Both are achiral. They are related as JEE Advanced level, drawn structure
• The two structures shown (left and right) are stereoisomers of tartaric acid drawn with opposite wedge patterns at both carbons. Which statements are correct? JEE Advanced level, drawn structure
• The two structures shown (left and right) are 1-bromo-2-chlorocyclopropane with Br and Cl on the same face of the ring in each case. They are related as JEE Main level, drawn structure
• The two structures shown (left and right) are stereoisomers of 2,4-dibromopentane drawn with opposite wedge patterns at both stereocentres. They are related as JEE Advanced level, drawn structure