19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Which of the following hydrogen bonds is the strongest?
o-nitrophenol can be easily steam distilled whereas p-nitrophenol cannot be. This is because of :
The correct order of the strength of H-bonds is:
Which one of the following molecules will form a linear polymeric structure due to hydrogen bonding?
What type of intermolecular forces are due to the attraction between temporary dipoles and their induced temporary dipoles?
Which of the following molecule can form a hydrogen bond?
Which of the following molecules do show the hydrogen bonding? I. CCl3CH(OH)2 II. o-hydroxy benzoic acid
The boiling point of a substance increases with increase in
Consider the following statement, I. The formation of the positive and negative ions from the neutral atoms by loosing and gaining electrons respectively. II. The arrangement or position of the positive and negative i…
Select pair of compounds in which both have different hybridization but have same molecular geometry:
Which of the following statements is incorrect for PCl5?
Which one of the following is the correct set with respect to molecule, hybridization and shape ?
In which of the following pairs, both the species have the same hybridization? (I) SF4, XeF4 (II) - I ,XeF (III) ICl ,SiCl (IV) - 3- ClO ,PO
Isostructural species are those which have the same shape and hybridisation. Among the given species identify the isostructural pairs.
What type of hybridization does a BCl3 molecule undergo? a) sp b) sp2 c) sp3 d) sp3d Ans. (b) Sol. In the BCl3 molecule, one s-orbital and two p- orbitals intermix and form three equivalent hybrid orbits. Therefore it…
CH2 = C = CH2 In this molecule (allene)
Cl–C2 bond of this molecule is formed by
The orbitals used by C in forming C–H and C–Cl bonds of CH2Cl2 are
Which of the following orders is correct for electronegativity?
In sp2 orbital, character of pz orbital will be
CH3 – CH2 – CH = CH2 has hybridisation:
The state of hybridization of the central atom is not the same as in the others:
The hybridization of the central atom in ICl 2 is:
Which of the following angle corresponds to sp2 hybridisation? C = C M(CO)3 C H NC NC
Diagonal hybridisation is the another name of