[" The V-C distance in "V(CO)_(6)" and "[V(CO)_(6)]^(-)" are "],[" respectively (in "pm):],[(1)200,200],[(3)200,193]

The V-C distance in V(CO)_(6)" and "[V(CO)_(6)]^(-) are repectively (in pm) :

The V-C distance in V(CO)_(5) and [V(CO)_(6)]^(-) are respectively (in pm):

[Mn(CO)_(6)]and[V(CO)_(6)] can act as respectively:

The IR stretchin frequencies of free CO , and CO [V(CO)_(6)]^(-),[Cr(CO)_(6)]^(-) and [Mn(CO)_(6)]^(-) are 2143 cm^(-1),1860cm^-1),2000cm^(-1) and 2090cm^(-1) , respectively. Then correct statemet about metal carbonyl is:

The IR stretchin frequencies of free CO , and CO [V(CO)_(6)]^(-),[Cr(CO)_(6)]^(-) and [Mn(CO)_(6)]^(-) are 2143 cm^(-1),1860cm^-1),2000cm^(-1) and 2090cm^(-1) , respectively. Then correct statemet about metal carbonyl is:

A planet moving along an elliptical orbit is closest to the Sun at distance r_(1) and farthest away at a distance of r_(2) . If v_(1) and v_(2) are linear speeds at these points respectively. Then the ratio (v_1)/(v_2) is

Consider the following complexies [V(CO)_(6)]^(-),[Cr(CO)_(6)] and [Mn(CO)_(6)]^(+) . Then incorrect statement (s) about metal carbonyls is / are