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24. The order of CO bond strengths in following metalhexacarbonyls is likely to be
മു ഗ്രഠ > Cr(Co)g > Mn(CO),* 8) Cr(Co)g > Mn(CO)g* < V(CO)

25.

26.

27.

28.

29.

30.

31.

©) Mn(CO),*

< 0(0०) < V(CO) 0) ೫(೦೦]- > ‏*و(60)مالا‎ < ೦೦೦

Which of the following is not an organometallic compound ?
A) Ferrocene B) Cis-platin
C) Zieses salt D) Grignard reagent

A key feature

of Fischer-Tropsch process is

A) hydrocarbon formation B) alkene hydrogenation

C) alkene polymerization D) hydroformylation

Accuracy expresses the

A) correctness of an experiment B) feasibility of an experiment
C) deviation from experiment D) reproducibility of an experiment
In an experiment values 2.2, 2.3 and 2.4 are obtained while the true value is 4.6.

Now if we double each value then

A) Precision i
B

D

is increased but accuracy is decreased

) Both precision and accuracy are increased
C) Accuracy is increased but precision remains unchanged
) Both precision and accuracy are decreased

The thermogram in differential thermal analysis is a plot of

A) dw/dt Vs Temperature B) AT Vs Temperature
C) AH Vs Temperature D) T Vs Volume

The donor atom in EDTA are

A) Two N and two 0 B) Two N and four O
C) Four N and two 0 D) Three N and two O

Limiting current in polarography depends on

A) Residual current B) Diffusion current
C) Kinetic current D) All the above

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