31,

32,

33,

34,

35,

36,

37.

38,

39,

Hot bands in IR spectrum is a consequence of which of the following transitions ?
வ v=0—2v=2 இ v=1-2v=2 () v=0->v=1 D) ௭௪03 ௩௪3

The mass spectrum of an alkyl halide showed M and M +2 peaks in the intensity ratio 1: 1.
The compound is :

(ಹ) alkyl chloride (B) alkyl bromide
(ಲ) alkyl iodide (D) cannot be predicted

The number of peaks expected in the proton decoupled CMR spectrum of toluene is :
@) 7 ® 6 © 5 o 2

The density of an FCC crystal (0.2 kg of the element contains 24 x 102 atoms) with unit cell
parameter 2 A®is :

(ക) 4.17x107 kg/ms (B) 4.17x10% kg/ms
€) 4.17x10P kg/ms (D) 41.7x10% kg/ms

Rotational partition function for H, at 0°C is approximately :
(ಹ) 10 ® 15 © 15 D) 35

Which of the following is not a feasible term symbol for [Ne]2p?, 3p” configuration 7
കു ജം © ௯. © ‏رص‎ (D) Dy

Determination of CFSE of transition metal complexes can be done using
spectroscopy.

(ಹಿ) ೫0080180 (B) Rotational (೦ ESR (D) NMR

The vapour phase irradiation of trans 1, 2 - dimethyl cyclohexanone will give :
(A) cis-1, 2-dimethyl cyclopentane

(B) trans-1, 2-dimethyl cyclopentane

(ಲ) cis and trans 1, 2-dimethyl cyclohexane

(D) Mixture of (A) and (B)

Photochemical isomerisation of trans stilbene to cis isomer can be effected in presence of :
മ (CHEC=0 (B) (CHy,C=0 €) (प्ल = (D) None of these

033/2018 6 A