The maximum number of hydrogen bonds formed by a water molecule in ice is
$4$
$3$
$2$
$1$
Which of the following statement is correct for peroxide ion
$A.$ has completely filled antibonding molecular orbitals
$B.$ is diamagnetic
$C.$ has bond order one
$D.$ is isoelectronic with Neon
Two pi and half sigma bonds are present in
Among the following, the paramagnetic compound is
Which of the following molecules/ions does not contain unpaired electrons?
The bond order is maximum in