Recent questions tagged eamcet

Aspirin is acetyl salicylic acid; the pair of functional groups present in the compound is :

asked Nov 20, 2013 by thanvigandhi_1

1 answer

Choose the correct statement from the following :

asked Nov 20, 2013 by thanvigandhi_1

1 answer

1,3-Butadiene and styrene on polymerisation give :

asked Nov 20, 2013 by thanvigandhi_1

1 answer

What are A,B and C in the following reactions ?

asked Nov 20, 2013 by thanvigandhi_1

0 answers

Whar are A,B and C in the following reactions ?

asked Nov 20, 2013 by thanvigandhi_1

0 answers

Which one of the following is one of the cross end products formed when a mixture of acetone and acetaldehyde is heated after treating with aqueous sodium hydroxide ?

asked Nov 20, 2013 by thanvigandhi_1

1 answer

Which one of the following compounds is steam distillable ?

asked Nov 20, 2013 by thanvigandhi_1

1 answer

Chloroform when heated with silver powder gives :

asked Nov 20, 2013 by thanvigandhi_1

1 answer

Which one of the following is not having two chiral centres ?

asked Nov 20, 2013 by thanvigandhi_1

0 answers

Which one of the following compounds is formed when nitrobenzene is treated with bromine in the presence of ferric ion ?

asked Nov 20, 2013 by thanvigandhi_1

0 answers

The product obtained when propene undergoes addition reaction with HBr in the presence of benzoyl peroxide is :

asked Nov 20, 2013 by thanvigandhi_1

1 answer

In IUPAC name of

asked Nov 20, 2013 by thanvigandhi_1

0 answers

Ozone layer is present in :

asked Nov 20, 2013 by thanvigandhi_1

0 answers

The processes used in the refining of aluminium and zinc metals are respectively :

asked Nov 20, 2013 by thanvigandhi_1

1 answer

One mole of $ CoCI_3, YNH_3$ complex compound on complete ionisation in water produce three moles of ions. If one chloride satisfies both primary and secondary valencies of cobalt ion, the value of Y is :

asked Nov 20, 2013 by thanvigandhi_1

0 answers

The shape of $ XeF_6$ is :

asked Nov 20, 2013 by thanvigandhi_1

0 answers

The order of bond energies in halogen molecules is :

asked Nov 20, 2013 by thanvigandhi_1

0 answers

The oxidation numbers of sulphur in $ S_8,SO_2\: and \: H_2S$ respectively are :

asked Nov 20, 2013 by thanvigandhi_1

0 answers

In $P_4O_{10}$ , the number of oxygen atoms bonded to each phosphorous atom is :

asked Nov 20, 2013 by thanvigandhi_1

0 answers

A and B are the compounds of carbon. A on passing over red hot coke is converted to B. Then A and B are respectively :

asked Nov 20, 2013 by thanvigandhi_1

0 answers

Aluminium metal becomes passive in :

asked Nov 20, 2013 by thanvigandhi_1

1 answer

Match the following

asked Nov 20, 2013 by thanvigandhi_1

0 answers

Which of the following statement is incorrect ?

asked Nov 20, 2013 by thanvigandhi_1

0 answers

What is the emulsifier in milk ?

asked Nov 20, 2013 by thanvigandhi_1

0 answers

Heat of formation of $ CO\: and \: CO_2 $ are - 26.4 and -94.0 kcal/mole respectively. What is the heat of combustion of $CO$ in kcals ?

asked Nov 20, 2013 by thanvigandhi_1

0 answers

Assertion (A) : According to Lowry-Bronsted theory, a substance can function as an acid as well as a base. Reasons (R) : Acid reacts with a base to produce a salt.

asked Nov 20, 2013 by thanvigandhi_1

0 answers

What is the effect of a ten-fold increase in pressure on $k_p$ in the reaction $ N_2(g)\: 3H_2(g) \: \leftrightharpoons \: 2\: NH_3 (g) $ at equilibrium ?

asked Nov 20, 2013 by thanvigandhi_1

0 answers

For the reaction $A+3b \rightarrow 2C+D$, which one of the following is not correct?

asked Nov 20, 2013 by thanvigandhi_1

1 answer

A crystalline solid substance has a density of $10 g/cm^3$ and the length of the edge of the unit cell (FCC) is 2.0 A. How many number of atoms are present in 200 grams of the solid ?

asked Nov 20, 2013 by thanvigandhi_1

1 answer

What is the e.m.f of the cell for the reaction $ Fe^{2+} + Zn \rightarrow Zn^{2+} + Fe$ ? Given that $ E^0_{Zn|Zn^{2+}(1.0M) }=0.76\: V \: and \: E^0_{Fe|Fe^{2+}(1.0M) }=0.41\: V $

asked Nov 20, 2013 by thanvigandhi_1

0 answers

If the solution of copper sulphate in which a copper rod is immersed, is diluted 100 times, what is the change in electrode potential ( Reduction ) ?

asked Nov 20, 2013 by thanvigandhi_1

1 answer

What is the volume of $ 0.1\: M \: H_2SO_4$ required in litres to neutralize completely 1 litre of a solution containing 20 g of $NaOH$ ?

asked Nov 20, 2013 by thanvigandhi_1

0 answers

Which one of the following $ 1.0 \times 10^{-3}$ molal aqueous solutions has the highest boiling point ?

asked Nov 20, 2013 by thanvigandhi_1

0 answers

Equal weights of Methane and Oxygen are mixed in an empty container at $25^{\circ}C$. The fraction of the total pressure exerted by Oxygen is :

asked Nov 20, 2013 by thanvigandhi_1

0 answers

0.14 g of an element on combustion gives 0.28 g of its oxide. What is that element ?

asked Nov 20, 2013 by thanvigandhi_1

1 answer

Molecular orbital theory was proposed by:

asked Nov 20, 2013 by thanvigandhi_1

0 answers

The refracting angle of a prism is A and the refractive index of the material of the prism is $\cot (A/2)$. The angle of minimum deviation of the prism is :

asked Nov 20, 2013 by meena.p

1 answer

Assertion (A): Optical fibres are widely used in communication network. Reason (R): Optical fibers are small in size, light weight, flexible and there is no scope for interference in them.

asked Nov 20, 2013 by meena.p

1 answer

Assertion (A): Optical fibres are widely used in communication network. Reason (R): Optical fibers are small in size, light weight, flexible and there is no scope for interference in them.

asked Nov 20, 2013 by meena.p

0 answers

An iron load of 2 kg is suspended in air from the free end of a sonometer wire of length 1 m. A tuning fork is : (Specific gravity of iron=8)

asked Nov 20, 2013 by meena.p

0 answers

The wavelengths of two notes in air are $\large\frac{36}{195}$$m$ and $\large\frac{36}{193}$$m$. Each note produces 10 beats per second separately with a third note of fixed frequency.The velocity of sound in air in m/s is :

asked Nov 20, 2013 by meena.p

1 answer

The correct order of magnitude of bond angles among the compounds $ CH_4, NH_3 \: and \: H_2O$ is:

asked Nov 18, 2013 by thanvigandhi_1

0 answers

The incorrect order of second ionization energies in the following is :

asked Nov 18, 2013 by thanvigandhi_1

0 answers

In a hydrogen atom, the electron is at a distance of 4.768 A from the nucleus. The angular momentum of the electron is :

asked Nov 18, 2013 by thanvigandhi_1

1 answer

The radial probability distribution curve obtained for an orbital wave function $ \Psi $ has 3 peaks and 2 radial nodes. The valence electron of which one of the following metals does this wave function $ ( \Psi )$ correspond to ?

asked Nov 18, 2013 by thanvigandhi_1

0 answers

In the figures shown below :

asked Nov 18, 2013 by thanvigandhi_1

0 answers

If 200 MeV of energy is released in the fission of 1 nucleus of $_{92}U^{235}$, the number of nuclei that undergo fission to produce energy of 10 kwh in one second :

asked Nov 18, 2013 by thanvigandhi_1

1 answer

The surface of a metal has work function 2.66 e V. This is illuminated with photons of wavelength 450 nm. Te de Broglie wavelength of the emitted photoelectrons is : ( Mass of electron = $9 \times 10^{-31}$ kg)

asked Nov 18, 2013 by thanvigandhi_1

1 answer

The threshold frequency of the metal of the cathode in a photoelectric cell is $ 1 \times 10^{15}\: Hz$ . When a certain beam of light is incident on the cathode, it is found that a stopping potential '4.144 V' is required to reduce the current to zero. The frequency of the incident radiation is : $ ( h = 6.63 \times 10^{-34} J-s)$

asked Nov 18, 2013 by thanvigandhi_1

3 answers

A wire loop PQRSP is constructed by joining two semi - circular coils of radii $'r_1'\: and \: 'r_2'$ respectively as shown in the figure. If the current flowing in the loop is $'i'$ , then the magnetic induction at the point $'O'$ is :

asked Nov 18, 2013 by thanvigandhi_1

1 answer

Ask Questions, Get Answers