CBSE
When dihydroxy acetone reacts with HIO4, the product is/ are
HCHO
HCOOH
HCHO and HCOOH
HCHO and CO2
With which of the given pairs CO2 resembles ?
HgCl2, C2H2
HgCl2, SnCl4
C2H2, NO2
N2O, NO2
The dipole moment of HBr is 2.60 x 10-30 Cm and the interatomic spacing is 1.41 .The percent ionic character of HBr is:
11.5%
10.1%
8.2%
4.1%
Which of the following molecules has trigonal planar geometry?
IF3
PCl3
NH3
BF3
The geometry of Ni(CO)4 and Ni(PPh3)2Cl2 are:
both square planar
tetrahedral and square planar respectively
both tetrahedral
square planar and tetrahedral respectively
A fruity smell is produced by the reaction of C2H5OH with
CH3COCH3
CH3COOH
PCl5
CH3CHO
Which one of the following oxides is expected to exhibit paramagnetic behaviour?
CO2
SO2
ClO2
SiO2
Which of the following is the correct increasing bond order for the given diatomic species?
Which of the following would have a permanent dipole moment?
BF3
SiF3
SF4
XeF4
The correct sequence of increasing covalent character is represented by
LiCl < NaCl < BeCl2
BeCl2 < NaCl < LiCl
NaCl < LiCl < BeCl2
BeCl2 < LiCl < NaCl