List of top Questions asked in COMEDK UGET- 2014

The mutual inductance between two coils depends upon

A concave mirror forms an enlarged, erect, virtual image of an object, only when the object is placed

The ratio of $ \frac{C_P}{C_V}$ for a diatomic gas is

The major product formed when alkyl iodide is treated with excess of ammonia

Which of the following is an empty set?

Rain water is called acid rain when its $pH$

The photoelectric threshold for a certain metal is $3600\, \mathring A$. The maximum energy of the ejected photoelectrons by radiation of $2000\, \mathring A$ is (Given $h = 6.62 \times 10^{-34} J \, s$ )

For $S_N1$ reaction, the order of reactivity of haloalkanes is

The centre of mass of a system of two bodies of masses $M$ and $m, (M > m)1$ separated by a distance $d$ is

Standard molar enthalpies of formation of $ {CaCO_{3(s)} CaO_{(s)}}$ and $ {CO_{2(g)}}$ are $ {-1206.92\, kJ \, mol^{-1}, -635.09\, kJ\, mol^{-1}}$ and $ {-393.51\, kJ\, mol^{-1}}$ respectively. The $\Delta H_r$ for decomposition of $ {CaCO_{3(s)}}$ is

The complex $ {[Ag(NH_3)_2][Ag(CN)_2]}$ has the IUPAC name

The curve $x^2 - xy + y^2 =27$ has tangents parallel to $x-axis$ at

The molar conductivities of $ {NaOH, NaCl}$ and $ { BaCl2}$ at infinite dilution are $ {2.481 \times 10^{-2}\, S \, m^2\, mol^{-1}, 1.265 \times 10^{-2} \, S\, m^2\, mol^{-1}}$ and $ {2.800 \times 10^{-2} \, S \, m^2\, mol^{-1}}$ respectively. The molar conductivity of $ {Ba(OH)_2}$ at infinite dilution will be

The number of proper subsets of a set having $n + 1$ elements is

A card is picked at random from a pack of cards. Given that the picked card is a Queen, what is the probability that it is a spade ?

The mole fraction of dioxygen in a neon-dioxygen mixture is $0.18$. If the total pressure of the mixture is $25$ bar, the partial pressure of neon in the mixture would be

Sodium dissolves in liquid $NH_3$ to give a deep blue solution. This is due to

The non existence of $PbI_4$ and $PbBr_4$ is due to

The magnetic properties of a magnet is lost at its

The interval I such that $\int^1_0\frac{dx}{\sqrt{1+x^4}}\in \,I$ is given by

$ {SO2 + 2H2S -> 3S + 2H2O}$ . This equation represents preparation of sulphur sol by