The alkane that gives only one mono-chloro product on chlorination with \(Cl_2\) in presence of diffused sunlight is

If molality of the dilute solution is doubled, the value of molal depression constant \((K_f)\) will be

For irreversible expansion of an ideal gas under isothermal condition, the correct option is :

Which of the following statements about the composition of the vapour over an ideal \(1: 1\) molar mixture of benzene and toluene is correct ? Assume that the temperature is constant at \(25\,^o C\). (Given, vapour pressure data at \(25\,^oC\), benzene \(= 12.8\, kPa,\) toluene \(= 3.85 \,kPa)\)

An excess of \(AgNO_3\) is added to \(100\, mL\) of a \(0.01\, M\) solution of dichlorotetraaqua- chromium \((III)\) chloride. The number of moles of \(AgCl\) precipitated would be

For the redox reaction \(\mathrm{MnO}_{4}^{-}+\mathrm{C}_{2} \mathrm{O}_{4}^{2-}+\mathrm{H}^{+} \longrightarrow \mathrm{Mn}^{2+}+\mathrm{CO}_{2}+\mathrm{H}_{2} \mathrm{O}\) the correct coefficients of the reactants for the balanced equation are \(\mathrm{MnO}_{4}^{-} \quad \mathrm{C}_{2} \mathrm{O}_{4}^{2-}\quad \mathrm{H}^{+}\)

Following solutions were prepared by mixing different volumes of \(NaOH\) and \(HCl\) of different concentrations \((a)\;\;60\; \mathrm{mL} \frac{\mathrm{M}}{10}\; \mathrm{HCl}+40 \;\mathrm{mL} \frac{\mathrm{M}}{10} \;\mathrm{NaOH}\) \((b)\;\;55\; \mathrm{mL} \frac{\mathrm{M}}{10}\; \mathrm{HCl}+45 \;\mathrm{mL} \frac{\mathrm{M}}{10} \;\mathrm{NaOH}\) \((c)\;\;75\; \mathrm{mL} \frac{\mathrm{M}}{5}\; \mathrm{HCl}+25 \;\mathrm{mL} \frac{\mathrm{M}}{5} \;\mathrm{NaOH}\) \((d)\;\;100\; \mathrm{mL} \frac{\mathrm{M}}{10}\; \mathrm{HCl}+100 \;\mathrm{mL} \frac{\mathrm{M}}{10} \;\mathrm{NaOH}\) \(pH\) of which one of them will be equal to \(1\) ?

If the head of cockroach is removed, it may live for few days because

Neoplastic characteristics of cells refer to :
A. A mass of proliferating cell
B. Rapid growth of cells
C. Invasion and damage to the surrounding tissue
D. Those confined to original location

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With the help of given pedigree, find out the probability for the birth of a child having no disease and being a carrier (has the disease mutation in one allele of the gene) in \(F_3\) generation.

First discovered restriction endonuclease that always cuts \(DNA\) molecule at a particular point by recognising a specific sequence of six base pairs is

Select the correct matching of the type of the joint with the example in human skeletal system.

Match List I with List II with respect to chronology of evolution of life forms :

List I	List II
A. About 65 mya	I. Jawless fish probably evolved
B. About 500 mya	II. The dinosaurs suddenly disappeared from the earth
C. About 350 mya	III. Seedweeds and few plants probably existed
D. About 320 mya	IV. Invertebrates were formed and became active

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