CHEM BRAIN

Bond angle is 120^o in NUMS2021

Which one of following molecule has sp³  hybridization?  MDCAT2019

According to the Lewis Concept, ammonia is an lone pair donor, therefore easily accepts a proton to form an ammonia ion as given by an equation SET2019 

\( NH_3 + H^+ \rightarrow NH_4^+ \) 

What will be the shape of a molecule which contain two sigma bonds and one lone pair? ETEA2016 

A molecule which contains two lone pairs and two bond pairs of electrons in valence shell of central atom, geometrical shape of molecule will be ETEA2019

The bond angle in H₂S is less than H₂O. It is due to ETEA2019

Which of the following molecules has one lone pair of electrons on the central atom [EAMCET 1980; AMU 1982; MNR 1989]

The shape of \(SO^{-2}_4 \) ion is [CPMT 1982; DPMT 1983, 84, 96; Bihar MEE 1997]

Which has the least bond angle [NCERT 1973; DPMT 1990; CBSE PMT 1990; UPSEAT 2003]

In which molecule are all atoms coplanar [MP PMT 1994]

The structure of  [Cu(H₂O)₄]⁺⁺ ion is [NCERT 1983; MP PMT 1983]

The correct order of bond angles in the following compounds/ species is NEET-Re-2022