NEET 2016 Phase 2

Jahn-Teller effect is not observed in high spin complexes of

The correct increasing order of trans-effect of the following species is

Which one of the following statements related to lanthanoids is incorrect?

If the Eocell for a given reaction has a negative value, which of the following gives the correct relationships for the values of \(\Delta\)Go and Keq ?

During the electrolysis of molten sodium chloride, the time required to produce 0.10 mol of chlorine gas using a current of 3 amperes is

The molar conductivity of a 0.5 mol/dm3 solution of AgNO3 with electrolytic conductivity of 5.76 \(\times\) 10\(-\)3 S cm\(-\)1 at 298 K is

The number of electrons delivered at the cathode during electrolysis by a current of 1 ampere in 60 seconds is (charge on electron = 1.60 \(\times\) 10\(-\)19C)

Zinc can be coated on iron to produce galvanized iron but the reverse is not possible. It is because

Consider the reaction,
CH3CH2CH2Br + NaCN \(\to\) CH3CH2CH2CN + NaBr
This reaction will be the fastest in

The compound that will react most readily with gaseous bromine has the formula

In which of the following molecules, all atoms are coplanar?

In pyrrole the electron density is maximum on

Which of the following compounds shall not produce propene by reaction with HBr followed by elimination or direct only elimination reaction ?

Which of the following can be used as the halide component for Friedel-Crafts reaction?

In the given reaction,

the product P is

The percentage of pyridine (C5H5N) that forms pyridinium ion (C5H5N+H) ina 0.10 M aqueous pyridine solution (Kb for C5H5N = 1.7 \(\times\) 10\(-\)9) is

Which of the following fluro-compounds is most likely to behave as a Lewis base ?

The solubility of AgCl(s) with solubility product 1.6 \(\times\) 10\(-\)10 in 0.1 M NaCl solution would be

Which one of the following nitro-compounds does not react with nitrous acid?

A given nitrogen-containing aromatic compound 'A' reacts with Sn/HCl, followed by HNO2 to give instable compound 'B'. 'B', on treatment with phenol, forms a beautiful coloured compound 'C' with the molecular formula C12H10N2O. The structure...

AlF3 is soluble in HF only in presence of KF. It is due to the formation of

Boric acid is an acid because its molecule

Which one of the following structures represents nylon 6, 6 polymer?

Hot concentrated sulphate acid is a moderately strong oxidizing agent. Which of the following reactions does not show oxidizing behaviour?

In context with beryllium, which one of the following statements is incorrect?

The suspension of slaked lime in water is known as

In calcium fluoride, having the fluorite structure, the coordination numbers for calcium ion (Ca2+) and fluoride ion (F\(-\)) are

Which one of the following is incorrect for ideal solution?

The van't Hoff factor (i) for a dilute aqueous solution of the strong electrolyte barium hydroxide is

Suppose the elements X and Y combine to form two compounds XY2 and X3Y2. When 0.1 mole of XY2 weights 10 g and 0.05 mole of X3Y2 weighs 9 g, the atomic weights of X and Y are

Which among the given molecules can exhibit tautomerism?

Which of the following pairs of d-orbitals will have electron density along the axes ?

How many electrons can fit in the orbital for which n = 3 and \(l\) = 1?

The coagulation values in millimoles per litre of the electrolytes used for the coagulation of As2S3 are given below :
I.  (NaCl) = 52,
II. (BaCl2) = 0.69,
III. (MgSO4) = 0.22
The correct order of their coagulating power is

For a sample of perfect gas when its pressure is changed isothermally from pi to pf, the entropy change is given by

A 100 \(\Omega\) resistance and a capacitor of 100 \(\Omega\) reactance are connected in series across a 220 V source. When the capacitor is 50% charged, the peak value of the displacement current is

Which of the following combinations should be selected for better tuning of an L-C-R circuit used for combination ?

The potential differences across the resistance, capacitance and inductance are 80 V, 40 V and 100 V respectively in an L-C-R circuit. The power factor of this circuit is

If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd orbit, it emits a photon of wavelength \(\lambda\). When it jumps from the 4th orbit to the 3rd orbit, the corresponding wavelength of the photon will be

The half-life of a radioactive substance is 30 minutes. The time (in minutes) taken between 40% decay and 85% decay of the same radioactive substance is

A parallel-plate capacitor of area a, plate separation d and capacitance C is filled with four dielectric materials having dielectric constants k1, k2, k3 and k4 as shown in the figure. If a single dielectric material is to be used to have ...

Two identical balls A and B having velocities of 0.5 m s\(-\)1 and \(-\)0.3 m s\(-\)1 respectively collide elastically in one dimension. The velocities of B and A after the collision respectively will be :

A rigid ball of mass m strikes a rigid wall at 60o and gets reflected without loss of speed as shown in the figure. The value of impulse imparted by the wall on the ball will be :

A bullet of mass 10 g moving horizontally with a velocity of 400 m s\(-\)1 strikes a wood block of mass 2 kg which is suspended by light inextensible string of length 5 m. As a result, the centre of gravity of the block found to rise a vert...

The potential difference (VA \(-\) VB) between the points A and B in the given figure is

A filament bulb (500 W, 100 V) is to be used in a 230 V main supply. When a resistance R is connected in series, it works perfectly and the bulb consumes 500 W. The value of R is

Photons with energy 5 eV are incifent on a cathode C in a photoelectric cell. The maximum energy of emitted photoelectrons is 2 eV. When photons of energy 6 eV are incident on C, no photoelectrons will reach the anode A, if the stopping pot...

Electrons of mass m with de-Broglie wavelength \(\lambda\) fall on the target in an X-ray tube. The cutoff wavelength (\(\lambda\)0) of the emitted X-ray is

A uniform magnetic field is restricted within a region of rafius r. The magnetic field changes with time at a rate \({{d\overrightarrow B } \over {dt}}\). Loop 1 of radius R > r encloses the region r and loop 2 of radius R is outside the re...

An electric dipole is placed at an angle of 30o with an electric field intensity 2 \(\times\) 105 N C\(-\)1. It experiences a torque equal to 4 N m. The charge on the dipole, if the dipole length is 2 cm, is