A) sp3 B) sp C) sp2 D) dsp2
A) Two B) Four C) Five D) Three
A) Only for nitrogen B) Yes C) Only for carbon D) No
A) Chiral nitrogen B) Chiral sulfur C) Chiral carbon D) Chiral metal
A) The hybridization changes B) An enantiomer is produced C) A meso compound is formed D) The molecule becomes achiral
A) Stabilization B) Oxidation C) Reduction D) Racemization
A) Primary amine B) Quaternary ammonium C) Neutral ammonia D) Secondary amine
A) Three B) Two C) Four D) One
A) Planar B) Linear C) Tetrahedral D) Trigonal bipyramidal
A) Yes B) Only when sp2 C) No D) Only when sp3
A) fac-isomer B) mer-isomer C) trans-isomer D) cis-isomer
A) R and S B) E and Z C) D and L D) Λ and Δ
A) They contain only sp2 centers B) They are meso compounds C) They are racemic mixtures D) The atoms are not hybridized
A) A metal ion B) A hydrogen atom C) A covalent bond D) The electron pair
A) sp2 B) sp3 C) f-orbital only D) d-orbital only
A) Symmetry center B) Chiral center C) Configuration center D) Stereogenic center
A) n/2 B) 2n C) 2+n D) n2
A) Only single bonds B) Only double bonds C) Single or double bonds D) Only triple bonds
A) Counter-clockwise direction of priority B) Highest atomic number C) Clockwise direction of priority D) Lowest atomic number
A) Identical molecules B) Non-superposable mirror images C) Superposable mirror images D) Meso compounds
A) Superposable mirror images B) Non-superposable, non-identical, non-mirror image molecules C) Compounds with no stereocenters D) Non-superposable mirror images
A) The chemical composition B) The bond length C) The arrangement of atoms around the center D) The number of substituents |