158554. The ionization potential of the atom is not affected by
158555. Calculated bond order of super oxide ion is
158556. The geometrical shape of the molecule sulphur tetra fluoride is
158557. The percentage p-character in the orbitals forming P-P bonds in phosphorus molecule
158558. The electronic configuration of an element is 1s2 2s2 2p63s23p63d54s This represents its
158559. Which of the following element has highest value of ionization potential ?
158560. The first experimental evidence of de-Broglie’s hypothesis came from the experiments of
158561. Human body is an example of
158562. If a refrigerator s door is kept open then
158563. The rate of reaction does not depend on
158564. The efficiency of a heat engine is maximum when
158565. A spontaneous change is one in which the system suffers
158566. The unit and value of rate constant and that of rate of reaction are same for
158567. The activation energy of a reaction is zero. But the rate constant of reaction
158568. If for a first order reaction, the values of A and Ea are 4 x 1013secf1 and 98.6 KJ/mol respectively, then at what temperature will its half life period be 10 minutes ?
158569. Which among the following compound is a state function ?
158570. The pH of a solution is 5.0. Its hydrogen ion concentration is decreased hundred times. The solution then will be
158571. An Sn2 reaction at an asymmetric carbon of a compound always gives
158572. The reaction of propene with HOCI proceeds via the addition of
158573. The two forms of D-glucopyranose obtained from the solution of D-glucose are called
158574. Compounds containing chromophoric groups are called
158575. Bakelite is a polymer of
158576. Which of the following has a laterally compressed body and no wings?
158577. Sexes are separate in which of the following?
158578. Nematodes arc best fixed in :
158579. California Mastitis Test is carried out in :
158580. Commercially available concentrated formaldehyde is
158581. Miracidium, sporocyst, redia, cerearin, metacercaria are seen in the life cycle of:
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